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Lens   Listen
noun
Lens  n.  (pl. lenses)  (Opt.) A piece of glass, or other transparent substance, ground with two opposite regular surfaces, either both curved, or one curved and the other plane, and commonly used, either singly or combined, in optical instruments, for changing the direction of rays of light, and thus magnifying objects, or otherwise modifying vision. In practice, the curved surfaces are usually spherical, though rarely cylindrical, or of some other figure. Lenses Note: Of spherical lenses, there are six varieties, as shown in section in the figures herewith given: viz., a plano-concave; b double-concave; c plano-convex; d double-convex; e converging concavo-convex, or converging meniscus; f diverging concavo-convex, or diverging meniscus.
Crossed lens (Opt.), a double-convex lens with one radius equal to six times the other.
Crystalline lens. (Anat.) See Eye.
Fresnel lens (Opt.), a compound lens formed by placing around a central convex lens rings of glass so curved as to have the same focus; used, especially in lighthouses, for concentrating light in a particular direction; so called from the inventor.
Multiplying lens or Multiplying glass (Opt.), a lens one side of which is plane and the other convex, but made up of a number of plane faces inclined to one another, each of which presents a separate image of the object viewed through it, so that the object is, as it were, multiplied.
Polyzonal lens. See Polyzonal.






Collaborative International Dictionary of English 0.48








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"Lens" Quotes from Famous Books



... food and to everybody and everything that presented itself before him was a riddle that I never solved. A materialistic friend suggested that he was adjusting the focus of his wonderful eyes, and the action was certainly like that of an optician examining a lens; but I feel that there was something more ceremonial about it. This punctiliousness cost him his dinner once. I was curious to know what he would do with a mouse, so, having caught one alive, I slipped it quietly into his cage. He was more ...
— Concerning Animals and Other Matters • E.H. Aitken, (AKA Edward Hamilton)

... of instruments, mounted on three large panels, the central panel of the group containing a circular lens which apparently was the eyepiece of some type of television disk the like of which I have never seen or heard. From my hasty examination I gathered that the ship operated by both a rocket effect (an early type ...
— The God in the Box • Sewell Peaslee Wright

... Only the other day a ring was brought to me that had been bought for a genuine emerald ring after the buyer had taken it to one of the dealers in his city and had paid for an examination of it, which had resulted in its being declared genuine. On examining the stone with a lens of only moderate power, several round air bubbles were noted in it, and on barely touching it with a file it was easily scratched. The material was green glass. Now, what was said about the dealer who sold it and the one who appraised ...
— A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public • Frank Bertram Wade

... with illustrations showing their forms was given by Loewenhoeck, a linen dealer in Amsterdam in 1675. The fineness of the linen being determined by the number of threads in a given area, it is necessary to examine it with a magnifying lens, and he succeeded in perfecting a simple lens with which objects smaller than had been seen up to that time became visible. It must be added that he was probably endowed with very unusual acuteness of vision. He found in ...
— Disease and Its Causes • William Thomas Councilman

... resounds during audition. The olfactory nerves are hollow, lead to the brain, and, convey volatile substances to it which cause it to secrete mucus. The eyes also have been examined, and their coats and humours roughly described; an allusion, the first in literature, is perhaps made to the crystalline lens, and the eyes of animals are compared with those of man. There is evidence not only of dissection but of experiment, and in efforts to compare the resistance of various tissues to such processes as boiling, we may see the small beginning ...
— The Legacy of Greece • Various

... strategic element in events; success is readiness for instant action when the opportune moment arrives. When nature has fully ripened an opportunity man must stretch out his hand and pluck it. Inventions may be defined as great minds detecting the strategic moment in nature; Galileo finding a lens in the ox's eye; Watt witnessing steam lift an iron lid; Columbus observing an unknown wood drifting upon the shore. To untold multitudes nature offered these opportune moments for discovery, but only Galileo, Watt and Columbus were ready to seize them. As for the rest, this ...
— The Investment of Influence - A Study of Social Sympathy and Service • Newell Dwight Hillis

... three children all arrayed in their Sunday best, were grouped together at one end of the garden, smiling blandly into the lens of a camera which the school mistress set up and ...
— With Those Who Wait • Frances Wilson Huard

... hand on Colonel's snuggling nose. "Not at all," she answered, and took a quick step to one side. But before she had taken it the sharp-eyed little lens of the camera had caught her, her attitude at the instant one of action, the expression of her face that of vivacious response. She flew out of range and before she could speak the camera clicked again, ...
— The Twenty-Fourth of June • Grace S. Richmond

... of sugar, and crush them with the fingers. Grind them as fine as convenient, and examine with a lens. They are still capable of division. Put 3 g. of sugar into a t.t., pour over it 5 cc. of water, shake well, boil for a minute, holding the t.t. obliquely in the flame, using for the purpose a pair of wooden nippers (Fig. 3). If the sugar does not ...
— An Introduction to Chemical Science • R.P. Williams

... distinct image within its globe. Next he sees at the exact place where this image must be formed a curtain of nerve-work, ready to receive and convey it, or excite from it, in its own mysterious way, an idea of it in the mind. Last of all, he comes to the crystalline lens. Now, he has before learned that without this lens an eye would by the aqueous and Vitreous humors alone form an image upon the retina, but this image would be indistinct from the light not being sufficiently refracted, and ...
— Darwiniana - Essays and Reviews Pertaining to Darwinism • Asa Gray

... friend, clamping his green disk over the front lens, or objective, of the telescope and turning on the current. As before, the green stuff seemed to vanish. "Now, ...
— Tom Swift and His Giant Telescope • Victor Appleton

... performance, the big, overgrown baby wheeled until he was more than three-quarters, almost full side, toward the camera, straightened on his legs, squared his shoulders, stretched his neck full height, drew in his chin and smirked his most pronounced smirk, directly in the face of the lens. ...
— Freckles • Gene Stratton-Porter

... ivory carving of S. Anthony preaching to the fishes, so fine and small you held it on your palm, and used a lens to look at it. Yet there stood the Santo gesticulating, and there were the fishes in rows—the little fishes first, and then the middle-sized, and last of all the great big fishes almost out at sea, with their heads above the water and their mouths wide open, just as the Fioretti ...
— Sketches and Studies in Italy and Greece • John Addington Symonds

... Miss Adams indignantly. "If they had sculpted that King's soul it would have needed a lens to see it. Fancy his allowing his wives to be put ...
— The Tragedy of The Korosko • Arthur Conan Doyle

... the morning Herbert had chosen a life career for himself; he had decided to become a scientific specialist, an entomologist; and he was now on his knees studying the manners and customs of the bug inhabitants of the lawn before the house, employing for his purpose a large magnifying lens, or "reading glass." (His discovery of this implement in the attic, coincidentally with his reading a recent "Sunday Supplement" article on bugs, had led to his sudden choice ...
— Gentle Julia • Booth Tarkington

... few rays enter, and every thing only appears upside down. All we need is more light, to see to set every thing straight. It is true that we see things in an inverted position; but in this prison-house, we shall never have light enough to see them as they are. There is a lens that corrects these false impressions, and the light that enters through it shows us many things upside down that we before saw right side ...
— The Continental Monthly, Vol. 2, No. 2, August, 1862 - Devoted to Literature and National Policy • Various

... Weir Mitchell of Philadelphia, in the year 1869, made the original and remarkable observation that if a part of the body of a frog be immersed in simple syrup, there soon occurs in the crystalline lens of the eyeball an opaque appearance resembling the disease called cataract. He extended his observations to the effects of grape sugar, and obtained the same results. He found that he could induce the cataractic condition invariably by this experiment, or by injecting ...
— The Galaxy, Volume 23, No. 2, February, 1877 • Various

... cliff dwelling half in ruins. To the left an Indian warrior, arms folded on his broad chest stood watching the children, his face full of an inscrutable sadness. The children were extraordinarily beautiful. Diana had worked with a very rapid lens and had caught them atilt, in the full abandonment of the child to joy in motion. The shadowed, mysterious, pathetic outline of the cliff dwelling, the somber figure of the chief only enhanced the vivid ...
— The Enchanted Canyon • Honore Willsie Morrow

... took up a strong lens, and carefully examined the blank pages of the book. On the front of the second, the title-page, he noticed a sort of stain which looked like an ink blot. But in looking at it very closely he thought ...
— A Journey to the Interior of the Earth • Jules Verne

... knocked from her hand and blinked out. It struck the stove and she heard the tinkle of the broken lens. The woman's hand caught at the sacking before the window at her left shoulder. Gripping it wildly to save herself from that onslaught, she tore it away. For the second time the revolver was ...
— O. Henry Memorial Award Prize Stories of 1920 • Various

... place this haxapode could choose. At that distance, Cousin Benedict's two eyes, by making their visual rays converge, could, like two lens, dart their ...
— Dick Sand - A Captain at Fifteen • Jules Verne

... be not, it cannot be anywhere else but there. It is not the crystalline lens of your eyes which is sorry, ...
— The Ethics of the Dust • John Ruskin

... the shield containing the sensitive plate into the groove the glass occupied. Then we pull out a slide, as the blanket is taken from a horse before he starts. There is nothing now but to remove the brass cap from the lens. That is giving the word Go! It is a tremulous ...
— Atlantic Monthly, Vol. XII. July, 1863, No. LXIX. - A Magazine Of Literature, Art, And Politics • Various

... and pass the fingers, very gently, several times across them outward, from the canthus, or corner next the nose, towards the temple. This tends slightly to flatten the corner and lens of the eye, and thus to lengthen or extend the angle of vision. The operation should be repeated several times a day, or at least always after making one's toilet, until shortsightedness is nearly or completely removed. For long sight, loss of sight by age, weak sight, and generally ...
— The Ladies Book of Useful Information - Compiled from many sources • Anonymous

... the boys had noticed several dull blows against the outside lens of the light, and Teddy took the first opportunity ...
— The Rushton Boys at Treasure Cove - Or, The Missing Chest of Gold • Spencer Davenport

... played a rather shabby trick on you just now. Doctor Hooper, of the University, was in here a few minutes ago asking me to be one of ten to guarantee the cost of a telescope lens that he thinks he needs to run that one-horse school of his out there. I told him I thought you might possibly be interested. His idea is to find some one who will guarantee forty thousand dollars, or eight or ten men who will ...
— The Titan • Theodore Dreiser

... offered to turn the entire sum over to the League, or at least that part of it which had been paid for the cloud photographs. Ross vetoed this offer, on the ground that the League itself had not earned the money. Instead, Ralph put away some of the cash and with the rest he bought a new lens for his camera. With this lens he was able to take cloud pictures even ...
— The Boy with the U. S. Weather Men • Francis William Rolt-Wheeler

... the wizard camera, which I have told you about in the book bearing that title. It would take moving pictures automatically, once Tom had set the mechanism to unreel the films back of the shutter and lens. The lights would instantly flash, when the electrical connections on the door locks were tampered with, and the pictures ...
— Tom Swift and his Great Searchlight • Victor Appleton

... attacked the line from each end and also in the center. In the north, by October 20, Belgian and British troops had recaptured all the Belgian coast, with its submarine bases; and the British had taken the important cities of Lens and Lille, the former valuable on account of its coal mines. In the center British and French troops broke through to the important points of Cambrai, St. Quentin (s[)a]n-kahn-t[)a]n') and Laon (lahn), while farther east the French and Americans began an advance along the Meuse River, threatening ...
— A School History of the Great War • Albert E. McKinley, Charles A. Coulomb, and Armand J. Gerson

... who spoke to her was a quietly dressed young person, quite inconspicuous, with a keen eye that seemed to take in everything within a radius of a wide-angled lens ...
— Constance Dunlap • Arthur B. Reeve

... a decree declaring that no money should be raised without verified declarations, which so provoked the Court that they resolved to proceed to extremities, and to make use of the signal victory which was obtained at Lens on the 24th of August, 1648, to dazzle the eyes of the people and gain their consent to oppressing ...
— Marguerite de Navarre - Memoirs of Marguerite de Valois Queen of Navarre • Marguerite de Navarre

... Jesuit, Father Labat, the shrewd and learned traveller in South America, relates an experiment which he made upon the credulity of some native Peruvians. Holding a powerful lens in his hand, and concentrating the rays of the sun upon the naked arm of an admiring savage, he soon made him roar with pain. All the tribe looked on, first with wonder, and then with indignation and wonder both ...
— Memoirs of Extraordinary Popular Delusions - Vol. I • Charles Mackay

... December 15, they set off again, this time finding Caroline Cove without further difficulty. Harrisson remained on the brow of the hill overlooking the cove, and there captured some prions and their eggs. Hurley and his companion found the lost lens and returned to Harrisson securing a fine albatross on the way. This solitary bird was descried sitting on the hill side, several hundreds of feet above sea-level. Its plumage was in such good condition ...
— The Home of the Blizzard • Douglas Mawson

... that broadcast rice, then maize, then the pulse called urid, almost equal in quantity to the maize, then the Lathyrus sativus, called dubi kerao, then the Eleusine corocanus, or maruya, then the Ervum lens, or masuri, then four kinds of sesamum, and the cruciform oil seeds, like mustard and rape, then three kinds of the pulse called kurthi, and then a little of the grains called sama and kodo. Much ...
— An Account of The Kingdom of Nepal • Fancis Buchanan Hamilton

... which succeeded were connected with each of these three points. To solar light, an artificial one has been preferred. D'Acquapendentus' bottle has given way to the convex lens, and to concave, spherical, and parabolic mirrors, etc. De Hilden's speculum has been replaced by cylindrical, conical, bivalve, and other forms ...
— Scientific American Supplement, No. 488, May 9, 1885 • Various

... those of a workman, his breast exposed, and showing the white hair which covered it. His eyes were gazing with horrible fixity at a pneumatic trough. The receiver of this instrument was covered with a lens made of double convex glasses, the space between the glasses being filled with alchohol, which focussed the light coming through one of the compartments of the rose-window of the garret. The shelf of the receiver communicated with the wire of an immense galvanic battery. Lemulquinier, busy ...
— The Alkahest • Honore de Balzac

... pulled down. Some of the Emirs covered their faces, lest the baleful rays should blind them. All feared that some terrible projectile would follow in the path of the light. And then suddenly it passed on—for the sapper who worked the lens could see nothing at that distance but the brown plain—and swept along the ranks of the sleeping army, rousing up the startled warriors, as a wind sweeps over a field ...
— The River War • Winston S. Churchill

... movements which mark and link together the entire history of the Fronde between the war in Paris and the peace of Ruel. In 1650 she was inclined to prefer Mazarin to Conde, and she ventured to advise laying hands on the victor of Rocroy and Lens. In 1651—an interval of incertitude for Mazarin, who very nearly ensnared himself in the meshes of his own craftiness and a too-complicated line of conduct—a great interest, the well-founded hope of marrying her daughter Charlotte to the Prince de Conti, brought her back once more to the ...
— Political Women, Vol. 2 (of 2) • Sutherland Menzies

... imperfection of our senses, may stimulate the invention of supersensitive apparatus which reveals to us the existence of phenomena hitherto unknown. Thus the invention of the microscope from a simple lens magnifying 3 or 4 times into progress up to 1500 diameters has given birth to new sciences. But still higher magnification is demanded in unravelling the mystery of movements associated with the simplest type of life as seen in plants. Greatest ...
— Sir Jagadis Chunder Bose - His Life and Speeches • Sir Jagadis Chunder Bose

... iodine, or bromine, as the case may be. This action, of course, applies to light from any source—the sun, electricity, or the brighter hydrocarbons, also flame from gas or candle, whether it comes direct as rays of white light or is reflected from an object and conducted through a lens as a distinct image upon the screen of ...
— Scientific American Supplement, No. 288 - July 9, 1881 • Various

... delightful archness, "Well, Eddy, I suppose you are ready to give me back all that money you've been collecting?" Eddy grinned radiantly. He spent his savings for microscope-slides and other appurtenances, and for weeks thereafter he could hardly take his eye away from the object-lens. He was luminous with happiness, and I reflected his splendor from my sympathetic heart. Dear old Eddy! In after years he entered West Point and became a soldier, and he died early; I never saw him after parting from him in Italy in 1859. But he is still ...
— Hawthorne and His Circle • Julian Hawthorne

... cut the end of his case half off. Two or three days after, he had mended it from the inside, drawing the two edges together by silken threads, and, though he had not touched the outside, yet so neatly were the two parts joined together that we had to search for some time, with a lens, to find ...
— Our Common Insects - A Popular Account of the Insects of Our Fields, Forests, - Gardens and Houses • Alpheus Spring Packard

... One of the worst and at the same time most common troubles in cheese-making is where the cheese undergoes a fermentation marked by the evolution of gas. The presence of gas is recognized by the appearance either of spherical or lens-shaped holes of various sizes in the green cheese; often they appear in the curd before it is put to press. Usually in this condition the curds look as if they had been punctured with a pin, and are known as "pin holey" curds. Where the gas holes are larger, they are known as "Swiss ...
— Outlines of Dairy Bacteriology, 8th edition - A Concise Manual for the Use of Students in Dairying • H. L. Russell

... kind of counter was fixed. Here were Giacomo's lamp, his glass-globe reflector, or light-condenser; here were all his tools; here lay under tumblers or wine-glasses the works of the watches on which he was operating, and here he wrought from morning to night with a lens which slipped into its place in his eye with such wonderful celerity and precision, that it was difficult to believe it had not by long acquaintance with the eye become as much a part of it as the eyelid itself. Inside the window, along the window frames, hung perhaps twenty or thirty watches, ...
— Miriam's Schooling and Other Papers - Gideon; Samuel; Saul; Miriam's Schooling; and Michael Trevanion • Mark Rutherford

... should be taken to choose an instrument that is strongly made and of simple construction. The essentials of a good stand camera are that it shall be rigid, possess a rising and falling front, a swing back, and bellows which will be capable of extension to fully double the focal length of the lens to ...
— How to Observe in Archaeology • Various

... Dietrichsen's Almanac, a copious publication which gave all the important data in the Nautical Almanac, besides much other interesting matter useful for the astronomical amateur or the ordinary navigator. I also tried to make a telescope by purchasing a lens of about 2 ft. focus at an optician's in Swansea, fixing it in a paper tube and using the eye-piece of a small opera-glass. With it I was able to observe the moon and Jupiter's satellites, and some of the larger star-clusters; ...
— Alfred Russel Wallace: Letters and Reminiscences, Vol. 1 (of 2) • James Marchant

... that is where you will come in. I shall want you to take the photograph of me as I stand there. I will select the spot from which the photograph is to be taken, and will focus the camera, stop down the lens to the extent required to get satisfactory definition, and generally arrange the picture; and all that you will need to do will be to remove the cap and give the proper exposure when I am ready. The light is not ...
— In Search of El Dorado • Harry Collingwood

... bell-metal is only superficial; if we adopt the methods described in the article METALLOGRAPHY, and if, after polishing a plane face on a bit of gun-metal, we etch away the surface layer and examine the new surface with a lens or a microscope, we find a complex pattern of at least two materials. Fig. 1 (Plate) is from a photograph of a bronze containing 23.3% by weight of tin. The acid used to etch the surface has darkened the parts richest in copper, while those richest in tin remained white. ...
— Project Gutenberg Encyclopedia

... of benzene vapour it would have to attract three times that quantity. Since any flame supplied with too little air tends to emit free carbon or soot, it follows that any well-made acetylene burner delivering a gas containing benzene vapour will yield a more or lens smoky flame according to the proportion of benzene in the acetylene. Moreover, at ordinary temperatures benzene is a liquid, for it boils at 81 deg. C., and although, as was explained above in the case of water, it is capable of remaining in the state of vapour far below its boiling-point ...
— Acetylene, The Principles Of Its Generation And Use • F. H. Leeds and W. J. Atkinson Butterfield

... parabolic, paraboloid; luniform[obs3], lunular[obs3]; semilunar, conchoidal[obs3]; helical, double helical, spiral; kinky; cordiform[obs3], cordated[obs3]; cardioid; heart shaped, bell shaped, boat shaped, crescent shaped, lens shaped, moon shaped, oar shaped, shield shaped, sickle shaped, tongue shaped, pear shaped, fig shaped; kidney- shaped, reniform; lentiform[obs3], lenticular; bow-legged &c. (distorted) 243; oblique &c. 217; circular &c. 247. aduncated[obs3], ...
— Roget's Thesaurus

... undesirable in dealing with so complex and delicate an art, but it is hoped that it will prove a sufficient introduction for laboratory purposes. In this matter the writer is under great obligations to his friend and assistant, Mr. James Cook, F.R.A.S, who gave him his first lessons in lens-making some twenty years ago. To Mr. John A. Brashear of Allegheny, Pa, thanks are due for much miscellaneous information on optical work, which is included verbatim in the text, some of it contained originally in printed papers, and some most kindly communicated to the writer for the purpose ...
— On Laboratory Arts • Richard Threlfall

... "Hit that lens system against something right now," he muttered inaudibly, "or get something in the field, and ...
— The Best Made Plans • Everett B. Cole

... Fluorescence The rendering of invisible Rays visible Vision not the only Sense appealed to by the Solar and Electric Beam Heat of Beam Combustion by Total Beam at the Foci of Mirrors and Lenses Combustion through Ice-lens Ignition of Diamond Search for the Rays here effective Sir William Herschel's Discovery of dark Solar Rays Invisible Rays the Basis of the Visible Detachment by a Ray-filter of the Invisible Rays from the Visible Combustion at ...
— Six Lectures on Light - Delivered In The United States In 1872-1873 • John Tyndall

... the surfaces with sculpture, often of classical subject, in high relief and daring perspective, and finished with delicacy which rather would demand preservation in a cabinet, and exhibition under a lens, than admit of exposure to the weather and removal from the eye, and which, therefore, architecturally considered, is worse than valueless, telling merely as unseemly roughness and rustication. But between these ...
— On the Old Road Vol. 1 (of 2) - A Collection of Miscellaneous Essays and Articles on Art and Literature • John Ruskin

... paused directly in front of the lens of the camera. Maid Marian looked up and made a light, jesting remark, gazing straight into the midshipman's eyes. Dave, smiling, bent forward to ...
— Dave Darrin's Second Year at Annapolis - Or, Two Midshipmen as Naval Academy "Youngsters" • H. Irving Hancock

... the orbed course of time has dropped the earthy part away, and left only the sunbeams falling there. But Leonardo da Vinci supposed that the sky owed its blue to the darkness of vast space behind the white lens of sunlit air; and perhaps where the sea presents through the extent of its depth, as it slips over into other hemispheres, tangents with the illumined atmosphere beyond, it affords a finer filter for these blue rays, ...
— The Atlantic Monthly, Volume 18, No. 107, September, 1866 • Various

... palette is covered with large blotches of color, and he will paint the picture with bold strokes; another delights in delicate miniature work. Each will conceive the meaning and interpretation of a composition through the lens of his own temperament. I endeavor to stimulate the imagination of the pupil through reading, through knowledge of art, through a comprehension of the correlation of ...
— Piano Mastery - Talks with Master Pianists and Teachers • Harriette Brower

... remarks are the idlest bluster. You know very well that the Duke of Buckingham is a man of undoubted courage, who has already fought ten duels, and will probably fight eleven. His name alone is significant enough. As far as I am concerned, you are well aware that I can fight also. I fought at Lens, at Bleneau, at the Dunes in front of the artillery, a hundred paces in front of the line, while you—I say this parenthetically—were a hundred paces behind it. True it is, that on that occasion there was far too great a concourse of persons present for your courage ...
— Ten Years Later • Alexandre Dumas, Pere

... into this opening in the milfoil and crowfoot bed. Do you see a grey film around that sprig? Examine it through the pocket lens. It is a forest of glass bells, on branching stalks. They are Vorticellae; and every one of those bells, by the ciliary current on its rim, is scavenging the water—till a tadpole comes by and scavenges it. How many millions of living ...
— Prose Idylls • Charles Kingsley

... repeated Kennedy, recalling the name and a still unexplained incident of our first interview. "Who is this Senora de Moche?" he asked, studying her as if she had been under a lens. ...
— The Gold of the Gods • Arthur B. Reeve

... a branch or other projecting object. One of these restless artificers once began to build on the handle of a chest in the cabin of my canoe, when we were stationary at a place for several days. It was so intent on its work that it allowed me to inspect the movements of its mouth with a lens while it was laying on the mortar. Every fresh pellet was brought in with a triumphant song, which changed to a cheerful busy hum when it alighted and began to work. The little ball of moist clay was laid on the edge of the cell, and then spread out around the circular rim by ...
— The Naturalist on the River Amazons • Henry Walter Bates

... with a newly-invented between-lens shutter of great illumination and efficiency," he explained. "It has always been practically impossible to get such pictures, but this new shutter has so much greater speed than anything ever invented before that it is possible to use it in detective work. I'll just run these fine wires ...
— The Poisoned Pen • Arthur B. Reeve

... Only "camera portraits" and "lens impressions." The full face has been abolished. The ideal of the present-day photographer is to eliminate the sitter as far as possible and concentrate on a general cloudy effect. I have in my possession two studies of my Uncle ...
— A Wodehouse Miscellany - Articles & Stories • P. G. Wodehouse

... the 21st of July the operation of extracting the crystalline lens was performed on the left eye. Light became very distressing to his eye. After allowing the eyelids to remain closed for a few minutes, and then opening them, the pupil appeared clear, but he could not bear exposure to light. On my asking ...
— The Mind of the Child, Part II • W. Preyer

... porte at its forward pointed end. The control room was here, a small cubby of levers and banks of dial-faces. Three men, evidently the operators, sat within. They were dressed like Tako save that they each had a great round lens like a monocle on the left eye, with dangling wires from it leading to ...
— The White Invaders • Raymond King Cummings

... known that if the size of an object be ascertained, the distance of a lens from that object, and the size of the image depicted in a camera by that lens, a very simple calculation will give the focus of the lens. In compound lenses the matter is complicated by the relative foci of its ...
— Scientific American Supplement, No. 385, May 19, 1883 • Various

... to dress rapidly, with all the troubles of the night magnified and made worse by the mental lens of reproach through which he ...
— In Honour's Cause - A Tale of the Days of George the First • George Manville Fenn

... he had filled himself he plunged out and rushed away, wrought up to the extreme fighting pitch of temper. Diable! if he could but come across that Lieutenant Barlow, how he would smash him and mangle him! In magnifying his prowess with the lens of imagination he swelled and ...
— Alice of Old Vincennes • Maurice Thompson

... live in the real Elizabethan world, not in the hothouse of the poet's brain. It is of no consequence that violence is done to "local color." Shakespeare beheld all the world and all ages through the lens of his own time and country, but because the men he saw were actual, living beings, the characters he gives us, be they mythological figures, Romans, Greeks, Italians, or Englishmen, have universal validity. He went to Italy for his greatest love-story. ...
— An Essay Toward a History of Shakespeare in Norway • Martin Brown Ruud

... for mere love of my general present rubric—the real thickness of experience having a good deal evaporated, so that the Tiny Town of the Many Towers hangs before me, not to say, rather, far behind me, after the manner of an object directly meeting the wrong or diminishing lens ...
— Italian Hours • Henry James

... real entertainment was staged by Henry Heyl of Philadelphia. Heyl's pictures were on glass plates fixed in the circumference of a wheel, and each was brought and held for a part of a second before the lens. This method was obviously too slow and too expensive. Edison with his keen mind approached the difficulty and after a prolonged series of experiments arrived at the decision that a continuous tape-like film would be necessary. ...
— The Age of Invention - A Chronicle of Mechanical Conquest, Book, 37 in The - Chronicles of America Series • Holland Thompson

... The result of this arrangement is that as soon as one of the slits, as a consequence of the displacement of the helix, r, allows a luminous fascicle to escape, this latter falls upon the corresponding lens, which concentrates it and sends it to the selenium plates just mentioned. Under the influence of the luminous rays, the resistance that the selenium offers to the passage of an electric current instantly changes. At M and M' are placed two horseshoe magnets whose poles are provided ...
— Scientific American Supplement, No. 508, September 26, 1885 • Various

... record of surprising achievements with the camera. Several of these illustrations have been described by experts as "the most remarkable photographs of wild life we have ever seen." The book is practical as well as descriptive, and in the opening chapters the questions of camera, lens, plates, blinds, decoys, and other pertinent matters ...
— The Farringdons • Ellen Thorneycroft Fowler

... me. Kyla's image flickered in and out of focus, first infinitely gentle and appealing, then—as if seen at the wrong end of a telescope—far away and sharply incised and as remote and undesirable as any bug underneath a lens. ...
— The Planet Savers • Marion Zimmer Bradley

... remains to be done is to take our lens-material and go," replied Rovol, as he took from a cupboard the largest faidon that Seaton ...
— Skylark Three • Edward Elmer Smith

... most general use is that known as the Abbe (Fig. 47) and consists of a plano-convex lens mounted above a biconvex lens. This combination is carried in a screw-centering holder known as the substage below the stage of the microscope (Fig. 40 f), and must be accurately adjusted so that its optical axis coincides with that of the objective. Vertical movement of the entire substage apparatus ...
— The Elements of Bacteriological Technique • John William Henry Eyre

... we must also imagine that we are looking at them through the lens of a microscope. What would a Parisian say if he ...
— Adventures of a Young Naturalist • Lucien Biart

... led as if he was an old lady crossing a glacier. He was led into absolute safety, and shamefacedly he rewarded his guide. Then he went a little way and sat down, swore softly, and watched the honest man go striding and plunging down towards Lens until he was ...
— The Research Magnificent • H. G. Wells

... Pitmaston Duchesse, Poire Louise, Pound, President Gilbert, Prince Consort, Prince's St. Germain, Rapalje's Seedling, Raymond de Montlaux, Reeder, Refreshing, Rousselet Bivort, Sarah, Seckel, Secretaire Rodin, Serrurier, Sheldon, Soulard Bergamot, Souv. d'Esper, Souv. de Lens, Souv. de la Marcau Trou, Souv. de la Reine des Belges, Souv. Sannier Pere St. Andre, Sterling, Superfin, Tyson, Urbaniste, Van Buren, Vergalieu No. 4, Washington, White Doyenne, Winter Nelis B. C. Fairchild, Willsboro. Bronze medal Apples ...
— New York at the Louisiana Purchase Exposition, St. Louis 1904 - Report of the New York State Commission • DeLancey M. Ellis

... into the flat, horizontal spaces of the dwelling—much more like chinks than the rooms that humans would inhabit. They shoved away soft, multi-colored fabrics spun from glass-wool, a metal case with graduated dials and a lens, baubles of gold ...
— The Planet Strappers • Raymond Zinke Gallun

... his camera and took pictures of the scene. In the first, ten different camps appeared; he mourned because two others were perforced omitted. Two hours later he snapped the Kodak upon fifteen, and there were four beyond range of the lens. ...
— The Lure of the Dim Trails • by (AKA B. M. Sinclair) B. M. Bower

... prize essay, instead of a good, sociable, familiar letter. To make a letter interesting, the writer must transfer his thoughts from his mind to his paper, as truly as the rays of the sun place the likeness of an object in front of the lens through which it acts upon the silvered plate. Seneca says, "I would have my letters be like my discourses when we sit or ...
— Town and Country, or, Life at Home and Abroad • John S. Adams

... war Yet took a poorer portion of the prize, He stirred a subtle jealousy and fanned A fire that swiftly grew almost to hate. For when the seamen must take precedence Of loiterers on the deck—through half a word, Small, with intense device, like some fierce lens, He magnified their rude and blustering mode; Or urged some scented fop, whose idle brain Busied itself with momentary whims, To bid the master alter here a sail, Or there a rope; and, if the man refused, Doughty, at night, across the wine-cups, raved Against ...
— Collected Poems - Volume One (of 2) • Alfred Noyes

... my Recollections, and my own little self should disappear as much as possible. Even the pronoun I should meet the reader but seldom, though in Recollections it was as impossible to leave it out altogether as it would be to take away the lens from a photographic camera. Now I believe I have always been most willing to yield to my friends, and I shall in this matter also yield to them so far that in the Recollections which follow there will ...
— My Autobiography - A Fragment • F. Max Mueller

... together to the engine-room, and meanwhile the air-ship sank through the clouds until the lights of Aberdeen lay about a thousand feet below. A lens of red glass had been fitted to the searchlight of the Ithuriel, and all that was necessary was to connect the forward ...
— The Angel of the Revolution - A Tale of the Coming Terror • George Griffith

... shining stone resembling crystal. Professor Wilson calls it a fabulous stone with fabulous properties, and mentions another stone, the moon-gem (chandra-kanta). It may be gathered from this passage that the sun-stone was a kind of glass lens, and that the Hindus were not ignorant of the properties of this instrument at the time when ...
— Sakoontala or The Lost Ring - An Indian Drama • Kalidasa

... see them there—as long, long since— Through the lens of History; Do you see them there as their chieftain prints In the snow his bended knee, And lifts his voice through the wintry blast In thanks for a peaceful ...
— The Complete Works • James Whitcomb Riley

... through Brion. Even faced with failure, he refused to accept it. He reached over her shoulder and savagely twisted the turret of microscope until the longest lens was in position. "If you can't see anything—try the high power! It's there—I know it's there! I'll get you a tissue specimen." He turned back ...
— Planet of the Damned • Harry Harrison

... of Hortense's dreams working by the light of a small lamp, of which the light was intensified by the use of a bottle of water as a lens—a pale young man, seated at a workman's bench covered with a modeler's tools, wax, chisels, rough-hewn stone, and bronze castings; he wore a blouse, and had in his hand a little group in red wax, which he gazed at like a poet ...
— Cousin Betty • Honore de Balzac

... not to trust your eyes, Daisy. That is something that grows; it is not rock; it is a vegetable. If I had my pocket lens here I would show you; but I am afraid yes, I have ...
— Melbourne House • Elizabeth Wetherell

... distance from the earth is, in round numbers, 240,000 miles. If we desire to ascertain how near, apparently, a lens would bring the satellite (or any distant object), we, of course, have but to divide the distance by the magnifying or, more strictly, by the space-penetrating power of the glass. Mr. L. makes his lens have a power of 42,000 times. By this divide 240,000 (the moon's real ...
— The Works of Edgar Allan Poe - Volume 1 (of 5) of the Raven Edition • Edgar Allan Poe

... numerous letters from correspondents about the Soapboxticon. Some report great success in making it, while others have been unable to make it work right. To the unsuccessful ones we would say that you probably do not remove your lens box far enough from the muslin screen, your outer box not being quite long enough. In this case, you can move the lens box out of the other box as far back as you please. The lens we use is about two and a half inches in diameter, but the size is of little consequence. ...
— Harper's Young People, March 30, 1880 - An Illustrated Weekly • Various

... lecture the Capitalist stepped forward and applied his eye to the lens. I suspect it to have been shut most of the time, for I observe a good many elderly people adjust the organ of vision to any optical instrument in that way. I suppose it is from the instinct of protection to the eye, the same instinct as that which makes the raw militia-man close it when ...
— The Autocrat of the Breakfast-Table • Oliver Wendell Holmes, Sr. (The Physician and Poet not the Jurist)

... in the escape department, I sat on my bunk and lit a cigarette. I looked for tell-tales, and found a television lens set above the door of the room eight feet outside of my steel barrier. Beside the lens was a speaker grille and a smaller opening that looked like ...
— Highways in Hiding • George Oliver Smith

... lens three feet in diameter is worth $60,000. Its adjustment is so delicate that the human hand is the only instrument thus far known suitable for giving the final polish, and one sweep of the hand more than is needed, Alvan Clark says, would impair the correctness of the glass. During ...
— Pushing to the Front • Orison Swett Marden

... sent for the Physician, who was still in the House, and we made as carefull a Proof as we were able by the Help of a small Magnifying Lens of Crystal of the condition of the Skinn on this Part of the Body: but could not detect with the Instrument we had any Matter of Importance beyond a couple of small Punctures or Pricks, which we then concluded were the Spotts by which ...
— Ghost Stories of an Antiquary • Montague Rhodes James

... a fatal gift! Ever creating, never realizing; living in a world of beauty etherialized in imagination's lens, and hating the material world as it is; buffeted by fortune and ridiculed by fools whose conceptions never rise ...
— The Memories of Fifty Years • William H. Sparks

... flashlight to the door. Then, you see, if the door were really opened, the flashlight would blare out, and there would be, possibly, a very queer picture to examine in the morning. The last thing I did, before leaving, was to uncap the lens; and after that I went off to my bedroom, and to bed; for I intended to be up at midnight; and to ensure this, I set my little alarm to call me; also I left my ...
— Carnacki, The Ghost Finder • William Hope Hodgson

... was not idle. Every transparent substance that bore the remotest semblance to a lens I eagerly seized upon and employed in vain attempts to realize that instrument, the theory of whose construction I as yet only vaguely comprehended. All panes of glass containing these oblate spheroidal knots familiarly known as "bull's eyes" were ruthlessly destroyed, in the ...
— The Atlantic Monthly, Vol. I., No. 3, January 1858 - A Magazine of Literature, Art, and Politics • Various

... remained in the same state until the 7th of December. The uncertain clambering motion was now increasing, and likewise the defect of sight. He ran against almost every person and every thing. The cornea was transparent, the iris contracted, there was no opacity of the lens, or pink tint of the retina, but a peculiar glassy appearance, as unconscious of everything around it. An emetic was given, and, after that, an ...
— The Dog - A nineteenth-century dog-lovers' manual, - a combination of the essential and the esoteric. • William Youatt

... how robbery begins; and robbery, if we examine the human soul through a lens, will be seen to be an almost natural ...
— Scenes from a Courtesan's Life • Honore de Balzac

... Buto and the momentum of his rapid rush. All that happened in the instant that Tarzan turned to meet the charge of the irascible rhinoceros might take long to tell, and yet would have taxed the swiftest lens to record. As his spear left his hand the ape-man was looking down upon the mighty horn lowered to toss him, so close was Buto to him. The spear entered the rhinoceros' neck at its junction with the left shoulder and ...
— Tarzan and the Jewels of Opar • Edgar Rice Burroughs

... into Mrs. Armour's eyes—a peculiar touch of burnished gold, an effect of the light at a certain angle of the lens. It gave for the instant an uncanny look to the face, almost something malicious. She guessed why this woman had come. She knew the whole history of the past, and it touched her in a tender spot. She knew she was had at an advantage. Before her was a woman perfectly trained in the fine ...
— The Judgment House • Gilbert Parker

... medicine-men of extraordinary powers; moreover, the hired men who came with them had arquebuses that would be valuable in case of attack in force by the Iroquois. Objects which the missionaries possessed inspired awe in the savages; a handmill for grinding corn, a clock, a magnifying lens, and a picture of the Last Judgment were supposed to be okies of the white man. For a time eager audiences crowded the little cabin. Few converts were made, however; for the present the savages were too firmly wedded ...
— The Jesuit Missions: - A Chronicle of the Cross in the Wilderness • Thomas Guthrie Marquis

... associated with the mean life of the slave and servant. Consequently there was no one to devise the practical apparatus by which alone profound and ever-increasing knowledge of natural operations is possible. The mechanical inventiveness of the Greeks was slight, and hence they never came upon the lens; they had no microscope to reveal the minute, no telescope to attract the remote; they never devised a mechanical timepiece, a thermometer, nor a barometer, to say nothing of cameras and spectroscopes. Archimedes, it is reported, disdained to make any record of his ingenious devices, ...
— The Mind in the Making - The Relation of Intelligence to Social Reform • James Harvey Robinson

... hours— by means of a common penknife, a tool in everybody's hand; but then everybody is not a Ferguson. A pan of water and two thermometers were the tools by which Dr. Black discovered latent heat; and a prism, a lens and a sheet of pasteboard enable Newton to unfold the composition of light and the origin of colors. An eminent foreign savant once called upon Dr. Wollaston, and requested to be shown over his laboratories, in which ...
— How to Get on in the World - A Ladder to Practical Success • Major A.R. Calhoon

... been stepped, guns laid aboard, luncheon stowed away. Marche set his shoulder to the stern; the girl sprang aboard, and he followed; the triangular sail filled, and the boat glided out into the sound, straight into the glittering lens ...
— Blue-Bird Weather • Robert W. Chambers

... mania for galleries kept millions of money in circulation, the one man who was most expert in negotiating those vainglorious transactions. Schwalbach did not talk, contenting himself with staring about through his enormous lens-shaped monocle, and smiling in his beard at the extraordinary juxtapositions to be observed at that table, which stood alone in all the world. For instance Monpavon had very near him—and you should have seen how the disdainful curve of his nose was accentuated at every glance ...
— The Nabob, Volume 1 (of 2) • Alphonse Daudet

... them both off, and handed them to Charles. No man in England is a finer judge of gems than my brother-in-law. I watched him narrowly. He examined them close, first with the naked eye, then with the little pocket-lens which he always carries. "Admirable imitation," he muttered, passing them on to Amelia. "I'm not surprised they should impose upon ...
— An African Millionaire - Episodes in the Life of the Illustrious Colonel Clay • Grant Allen

... and said these hunts for Aunt Matilda were getting monotonous. Only yesterday he had rescued her from some dried bulbs in the greenhouse, and didn't Mother think it time she saw a good oculist and had proper spectacles, instead of using the old lens in that carved gold bauble belonging ...
— Punch, or the London Charivari, Vol. 153, Nov 21, 1917 • Various

... camera lens, earnestly. "The best, of course, or I wouldn't have signed up with Baron Haer, Freddy. Justice triumphs, and anybody who is familiar with the issues in this fracas, knows that Baron Haer is on the side ...
— Mercenary • Dallas McCord Reynolds

... got into it, a glorious view of a large part of Northern France would have been obtained. Looking eastwards one saw La Bassee half concealed by thick woods while to the northeast were the outskirts of Lille. Southwards and south-west were the mining villages of the Lens district with their huge conical fosses. In other words, Givenchy was an important tactical point and the fiercest efforts of the Boche in 1914 had failed to move British troops from it, although at the end of the ...
— The Seventh Manchesters - July 1916 to March 1919 • S. J. Wilson

... across the meadows—the front trenches. Both armies were buried like moles in these furrows. The country was spread out before us, like a map, with occasionally the black contour of a coal mound rising against the green, or a deserted shaft-head. I was gazing at the famous battlefield of Lens. Villages, woods, whose names came back to me as the major repeated them, lay like cloud shadows on the sunny plain, and the faintest shadow of all, far to the eastward, was Lens itself. I marked it by a single white tower. And suddenly another white tower, loftier than the first, had risen ...
— The Crossing • Winston Churchill

... to secure the paralysis of the whole body, excepting the head, which is provided with special ganglia. From it run numbers of filaments which actuate the feet and the powerful muscular layer which is the creature's essential motor organ. When examined merely through the pocket-lens, this cylinder appears to be slightly furrowed transversely, a proof of its complex structure. Under the microscope, it is seen to be formed by the close juxtaposition, the welding, end to end, of the ganglia, which can be distinguished one from the other by a slight ...
— More Hunting Wasps • J. Henri Fabre

... small a space it can be reproduced and rearranged in its whole expanse. Describe in your anatomy what proportion there is between the diameters of all the images in the eye and the distance from them of the crystalline lens. ...
— The Notebooks of Leonardo Da Vinci, Complete • Leonardo Da Vinci

... reply, but merely eyed his partner with cold interest, as though he were some biological specimen under a lens, and ...
— The Air Trust • George Allan England

... attire among the general body of the spectators, and flirting and love-making are part of the order of the day. A very crude form of field-glass or "spy-glass" was already in use, apparently consisting generally of a mere hollow tube, but occasionally provided with a magnifying lens. Nero himself, in consequence of his short-sight, had a "glass" in some way ...
— Life in the Roman World of Nero and St. Paul • T. G. Tucker

... was a strange occurrence. My friend, Jon Rogeson had been taking pictures of the Dumps. Langley and his wife had withdrawn to one side and were talking in low tomes to one another. Quite thoughtlessly Jon turned the lens on ...
— B-12's Moon Glow • Charles A. Stearns

... corresponds to the adjustable diaphragm of the camera. Just behind the pupil is the lens of the eye, which also is adjustable by the action of a little muscle, called the "ciliary muscle". This muscle corresponds to the focussing mechanism of the camera; by it the eye is focussed on near ...
— Psychology - A Study Of Mental Life • Robert S. Woodworth

... coated with Sidot's blende and held near a piece of radium nitrate, the coated surface begins to glow. If now it is examined with a lens, brilliant sparks or points can be seen. As the radium is brought closer and closer these sparks increase in number, until, as Sir William Crookes says, we seem to be witnessing a bombardment of flying atoms hurled from the radium against the surface of the blende. A little instrument ...
— A History of Science, Volume 5(of 5) - Aspects Of Recent Science • Henry Smith Williams

... had peeled off several pieces of the wrapper, and was sprawled over the table with a powerful magnifying lens. For some time he minutely studied them, finally squinting closely at a particular one and beginning to show increased excitement. Arising and pushing by us, he went to his many boxes and returned with a small glass-stoppered bottle. ...
— Wings of the Wind • Credo Harris

... on to Bethune, Vimy Ridge floated blue in the far distance, to the right of the road, and Father Beckett and Brian took off their hats to it. Still farther away, and out of sight lay Lens, in German possession, but practically encircled by the British. The Old Contemptible had been there, and described the town as having scarcely a roof left, but being an "ant heap" of Boches, who swarm in underground shelters ...
— Everyman's Land • C. N. Williamson and A. M. Williamson

... which water animal and vegetable kind; all these things seem no more the effect of a fortuitous cause and of a declension of atoms, than the retina which receives the rays of light, the crystalline lens which refracts them, the incus, the malleus, the stapes, the tympanic membrane of the ear, which receives the sounds, the paths of the blood in our veins, the systole and diastole of the heart, this pendulum of the ...
— Voltaire's Philosophical Dictionary • Voltaire

... two or three bumpkins with the breast of his Bayard. He bounded toward her, swung her over the pommel of his saddle, and, with a cry of joy and a wave of his hat, he disappeared like M. de Conde at the battle of Lens. The people all applauded, and the women thought the action heroic, and all promptly fell in love with the ...
— The Companions of Jehu • Alexandre Dumas

... are imported by the Dutch from their East Indian colonies. They are usually wrapped in straw, you know, and are thinner for their length than any other brand." He picked up the four ends and examined them with his pocket-lens. ...
— Memoirs of Sherlock Holmes • Sir Arthur Conan Doyle

... quickest lights his candle; the wisest he who never lets it out. Tomorrow, the next moment, he, a poor, darkened, blurred soul, may need it again to focus the Image better, to take a mote off the lens, to clear the mirror from a breath with which the world ...
— Addresses • Henry Drummond

... from others a flower-cluster emerges from the leaf-rosette, showing faint color even before it expands. Very close together and tight these unopened little flowers are packed as they emerge; if we had looked at them with a lens as they lay in the bud in the long winter we should understand why; now they escape their bonds and rapidly grow as they are delivered, yet at first pressed together by head and stem in their soft ...
— The Apple-Tree - The Open Country Books—No. 1 • L. H. Bailey

... same soft zone, for the secret of the mystic fountain. I remember how, during that night, I looked for the first time through a powerful night-glass. It had always seemed a thing wholly inconceivable, that a mere lens could change darkness into light; and as I turned the instrument on the preceding gunboat, and actually discerned the man at the wheel and the others standing about him,—all relapsing into vague gloom ...
— Army Life in a Black Regiment • Thomas Wentworth Higginson

... possible. The work of pollination is best performed in bright, sunny weather when the pollen is very dry. As may be seen from the foregoing statements, tools and methods are of less importance than care in doing the work. The only tool absolutely necessary is a pair of forceps, although a hand-lens is often helpful. Bags for covering the flowers should be just large enough and no larger. A bag to cover the pollen-producing flower may well be an ordinary manilla bag sufficiently large to amply cover the flower-cluster. It is helpful, however, to have a light transparent ...
— Manual of American Grape-Growing • U. P. Hedrick

... right," was the answer. "And there's nothin' happened, except, night before last, a man tried to look into your lens-house." ...
— The Great Stone of Sardis • Frank R. Stockton

... known but dangerous coast special provisions are made to aid the mariner; so likewise upon her more dangerous coast of sin we find 2,397 ministerial light houses whose concentrated spiritual lens-power upon an area of 8,040 square miles, make the rocks of total depravity loom up far above the white capped waves of theological doubt. The lower law being less important than the higher, it takes but 1,984 lawyers to successfully mystify the juries ...
— The Bay State Monthly, Volume 3, No. 6 • Various

... From each bright gem of Day's refulgent car, From the pale sphere of every twinkling star, 85 From each nice pore of ocean, earth, and air, With eye of flame the sparkling hosts repair, Mix their gay hues, in changeful circles play, Like motes, that tenant the meridian ray.— So the clear Lens collects with magic power 90 The countless glories of the midnight hour; Stars after stars with quivering lustre fall, And twinkling glide along the whiten'd wall.— Pleased, as they pass, she counts the glittering ...
— The Botanic Garden - A Poem in Two Parts. Part 1: The Economy of Vegetation • Erasmus Darwin

... approached, and I smiled to see that the spectacles astride his handsome nose were minus one lens. He seemed half blind and wholly bewildered. I looked at once for the lost glass, and there it lay shining at me from the very spot where he had been so industriously peering. He laughed grimly as I handed it to him, fitted his treasure into its wonted rim, took ...
— Atlantic Monthly, Vol. XII. September, 1863, No. LXXI. - A Magazine Of Literature, Art, And Politics • Various

... 76. ERVUM Lens. LENTILS.—Once cultivated here for the seeds, which are used for soups; but it is furnished principally from Spain, and can at all times be purchased for less than it can ...
— The Botanist's Companion, Vol. II • William Salisbury

... gaze. Certainly, had it not been that such excellence of the photographer's craft could only have been attained by careful posing, one might have said that he had taken an unfair advantage and had permitted his lens to spy upon a lovely lady in the secrecy of her boudoir, whose sole companions were emotions which must remain locked ...
— Destiny • Charles Neville Buck

... existence is all he knows, a narrow rock-spit of knowledge enisled in a trackless ocean of ignorance. Thus for Browning, in differing moods and contexts, the mind of man becomes now a transparent pane, opening directly upon the truth as God sees it, now a coloured lens, presenting truth in blurred refraction, now an opaque mirror idly bodying forth his ...
— Robert Browning • C. H. Herford

... kept of the great revolving light; and, if there be other lights within reach of the keeper's glass, a watch must be kept on them as well, and any eclipse, however brief, must be noted in the lighthouse log. By day the lens must be rubbed laboriously with a dry cloth until it shines like the facets of a diamond. Not at all like the lens we are familiar with in telescopes and cameras is this scientifically contrived device. It is built ...
— American Merchant Ships and Sailors • Willis J. Abbot

... by Schumann when he said that if they were played for dances, half the ladies present should be countesses—which exactly hits off the distinguished quality of these valses. To play them is like looking at a dance through a fairy lens; they seem like improvizations of a musician during a dance and to reflect the thoughts and feelings that arise as he looks on, playing the waltz rhythm with the left hand, while the melody and the ornamental note ...
— The Pianolist - A Guide for Pianola Players • Gustav Kobb

... will be seen how important it is to choose the right point of distance: if we take it too near the point of sight, as in Fig. 12, the square looks unnatural and distorted. This, I may note, is a common fault with photographs taken with a wide-angle lens, which throws everything out of proportion, and will make the east end of a church or a cathedral appear higher than the steeple or tower; but as soon as we make our line of distance sufficiently long, as ...
— The Theory and Practice of Perspective • George Adolphus Storey

... inaugurated by business firms in large London stores, notably Harrods and Whiteleys, where their courses included all office and business training. Six week courses of free training for the grocery trade, for the boot trade, lens making, waiting, ...
— Women and War Work • Helen Fraser

... said Mr. Carleton smiling. "A veritable lens could hardly have been more unconscious of its work or ...
— Queechy • Susan Warner

... Now, how to combine these two powers, of seeing near objects and distant ones with the same eye, is the problem which the Maker of the eye had to solve. Let us look how man tried to solve it. A magnifying lens will collect the rays from any distant object, and convey them to a point called the focus. Then suppose we put this glass in the tube of an opera-glass, or pocket spy-glass, and look through the eye-hole and the concave lens, properly ...
— Fables of Infidelity and Facts of Faith - Being an Examination of the Evidences of Infidelity • Robert Patterson

... to show that the ear is as carefully adjusted to respond to the blended impressions of sound as the eye to receive the mingled rays of light; and that as the telescope presupposes the lens and the retina, so the organ presupposes the resonant membranes, the labyrinthine chambers, and the delicately suspended or exquisitely spread-out nervous filaments of that other organ, whose builder is the Architect of the universe and the ...
— Atlantic Monthly, Volume 12, No. 73, November, 1863 • Various

... I cannot promise. We have done our best at Verdun, at Lens and at Ypres, but we have had to retreat everywhere. Our turn may come another time, but, as ...
— Punch, or the London Charivari, Vol. 153, Sept. 5, 1917 • Various

... of vision took place represented the minimum speed at which the pictures should be obtained. If, for instance, five pictures per second were taken (half of the time being occupied in exposure and the other half in moving the exposed portion of the film out of the field of the lens and bringing a new portion into its place), and the same ratio is observed in exhibiting the pictures, the interval of time between successive pictures would be one-tenth of a second; and for a normal eye such ...
— Edison, His Life and Inventions • Frank Lewis Dyer and Thomas Commerford Martin

... of looking at service opportunity through any one lens is epitomized in one paragraph of a reclassification proceedings on an officer relieved during World War II while serving ...
— The Armed Forces Officer - Department of the Army Pamphlet 600-2 • U. S. Department of Defense

... pair of photographs, they are placed at the same distance from the eyes as the length of the focus of the lens used in producing them, then without doubt the distance between the eyes, viz. about two and a quarter {228} inches, is the best difference between the two points of view to produce a perfectly natural result; and if the points of operation ...
— Notes and Queries, Number 201, September 3, 1853 • Various

... her hand familiarly upon my knee. In defence I remove her hand. Then she says: 'But you have always had such beautiful eyes.'.... I then distinctly see something like two eyes as a sketch or as the contour of a spectacle lens...." ...
— Dream Psychology - Psychoanalysis for Beginners • Sigmund Freud

... as motion, and whatever is true of motion will be true of heat; but we have had a hundred experiences of motion for everyone of heat. Think of the rays passing through this lens as bending toward the perpendicular, and you substitute for the comparatively unfamiliar lens the very familiar notion of a particular change in direction of a line, of which motion every ...
— Human Traits and their Social Significance • Irwin Edman

... eyes. They were curious organs, more simple in their structure than those of the true fishes, but admirably adapted, I doubt not, for the purposes of seeing. A camera obscura may be described as consisting of two parts—a lens in front, and a darkened chamber behind; but in the eyes of fishes, as in the brute and human eye, we find a third part added: there is a lens in the middle, a darkened chamber behind, and a lighted chamber, or rather vestibule, in front. Now, this lighted vestibule—the ...
— My Schools and Schoolmasters - or The Story of my Education. • Hugh Miller

... microscope intelligently, nor do they grasp the true value of even the simple pocket forms of this invaluable little instrument. If they did properly appreciate the microscope, every boy would carry a two or three loop lens, and find it as useful almost as the indispensable jackknife. The wonders of field, forest, and seashore are not thoroughly appreciated unless the microscope ...
— The Great Round World and What Is Going On In It, Vol. 2, No. 23, June 9, 1898 - A Weekly Magazine for Boys and Girls • Various



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