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Armature   Listen

Coil in which voltage is induced by motion through a magnetic field.

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"Armature" Quotes from Famous Books

... report in September with the sage remark that "Opinions differ amongst naval and scientific men as to the policy of adopting the iron armament for ships-of-war." In December Welles transmitted this report to Congress with the still sager remark that "The subject of iron armature for ships is one of great general interest, not only to the navy and country, but is engaging the attention of the civilized world." Such was the higher administrative preparation for the ironclad ...
— Captains of the Civil War - A Chronicle of the Blue and the Gray, Volume 31, The - Chronicles Of America Series • William Wood

... dirty gag in my mouth. When this was done, "Bill" said, "Throw him across those blamed instruments so they will keep quiet." They flung me upon the table, face downwards, so that the relay was just under my stomach, and of course my weight against the armature of the relay stopped the clicking of the sounder. As luck would have it, my left hand was in such a position that it just touched the key, and I found I could move the hand slightly. So I opened the key and pretended to be struggling quite a little. The leader came over and giving ...
— Danger Signals • John A. Hill and Jasper Ewing Brady

... I selected a couple of small electric bells, costing 2s. 6d. each. Their normal rate of vibration being much too slow for telegraphic purposes, I cut off the hammers to reduce the inertia, and so adjusted the contact screw that the armature had to move less than one hundredth of an inch to break the circuit. This gave so high a rate of vibration that the key could not make and break the circuit quickly enough to ...
— Things To Make • Archibald Williams

... logs downstream, by turning the wheels of his mill, etc.; and in our own day running water is used as an indirect source of electric lights for street and house, the energy of the falling water serving to rotate the armature of a dynamo ...
— General Science • Bertha M. Clark

... i. This drawing has already been published in the "Saggio delle Opere di L. da Vinci." Milano 1872, Pl. XXIV, No. i. But, for various reasons I cannot regard the editor's suggestions as satisfactory. He says: "Veggonsi le armature di legname colle quali forse venne sostenuto il modello, quando per le nozze di Bianca Maria Sforza con Massimiliano imperatore, esso fu collocato sotto un arco ...
— The Notebooks of Leonardo Da Vinci, Complete • Leonardo Da Vinci

... space itself. The magnetic field is the stress or pressure in the ether produced by the magnetic body. This ether pressure produced by a magnet may be as great as a ton per square inch. It is this pressure that holds an armature to the magnet. As heat is a molecular condition of vibration, and radiant energy the result of it, so is magnetism a property of molecules, and the magnetic field the temporary condition in the ether, which depends upon the presence of a magnetic body. We no longer ...
— The Machinery of the Universe - Mechanical Conceptions of Physical Phenomena • Amos Emerson Dolbear

... spoon and its armature of hooks over the side, and Brace glanced after it, to see it for a few moments as the line was allowed to run, the silvered unfishlike piece of metal beginning to spin and, as it receded farther from ...
— Old Gold - The Cruise of the "Jason" Brig • George Manville Fenn

... a machine with two or more exciting coils, and having its armature in series with the cells (see fig. 22). The exciting coils act in opposition; the one carrying the main current sets up an E.M.F. in the same direction as that of the cells, and helps the cells to discharge as the load rises. When the load is small, the voltage on the mains is highest and the shunt ...
— Project Gutenberg Encyclopedia

... to get a general idea of the whole planet. Then they would attempt to examine the most densely populated areas, types of armature, any aircraft likely to attack them. Combing the radio spectrum, they would pick up and record sounds and signals in ...
— The Flying Saucers are Real • Donald Keyhoe

... of its ejecting saliva till assured by the Rev. John Milum that two missionaries at Lagos, Messieurs J. B. Wood and David, had suffered severely from inflamed eyes after the contemptuous ophine crachat. All along the coast is a cerastes (horned snake), whose armature is upon the snout and whose short fat form suggests the puff-adder. The worst is a venomous-looking cobra, or hooded viper, with flat, cordate head, broad like all the more ferocious species. It is the only thanatophid whose ...
— To the Gold Coast for Gold - A Personal Narrative in Two Volumes.—Vol. I • Richard F. Burton

... of electricity is caused to circulate round the coils of the electro-magnet N, the small armature disc J is drawn off the valve-seat H on to the zinc ...
— The Recent Revolution in Organ Building - Being an Account of Modern Developments • George Laing Miller

Words linked to "Armature" :   rotor, rotor coil, electromagnet, coil, electric motor

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