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Books Books 11 - 20 of 54 on Suppose that a man speaks near a movable disk, sufficiently flexible to lose none....  
" Suppose that a man speaks near a movable disk, sufficiently flexible to lose none of the vibrations of the voice, that this disk alternately makes and breaks the currents from a battery : you may have at a distance another disk, which will simultaneously... "
Edison: His Life and Inventions - Page 171
by Frank Lewis Dyer, Thomas Commerford Martin - 1910
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Heroes of the Telegraph

John Munro - Inventors - 1891 - 288 pages
...sounds and even speech by electricity. ' Suppose,' he explained, ' that a man speaks near a movable disc sufficiently flexible to lose none of the vibrations of the voice ; that this disc alternately makes and breaks the currents from a battery : you may have at a distance another...
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The Transmitted Word

W. J. Keenan, James Riley - Telephone - 1893 - 113 pages
...with the aid of speaking tubes and trumpets, impossible to exceed somewhat narrow limits. Suppose that a man speaks near a movable disk sufficiently flexible...vibrations of the voice ; that this disk alternately moves and breaks the currents from a battery. You may have at a distance another disk which will simultaneously...
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The Minnesota Engineer, Volumes 1-5

Engineering - 1896
...trumpets, it is impossible to exceed somewhat narrow limits. Suppose that a man speaks near a ir.ovable disk, sufficiently flexible to lose none of the vibrations of the voice; that this disc alternately makes and breaks the connection with a battery; you may have at a distance another...
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A History of Physics in Its Elementary Branches: Including the Evolution of ...

Florian Cajori - Physical Laboratories - 1899 - 322 pages
...Boursenl, a French telegraphist, conceived a plan of transmitting speech by electricity. The author says, "Suppose a man speaks near a movable disk sufficiently...; that this disk alternately makes and breaks the currents from a battery, you may have at a distance another disk which will simultaneously execute...
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A history of physics in its elementary branches: including the evolution of ...

Florian Cajori - Physical laboratories - 1899 - 322 pages
...Bourseul, a French telegraphist, conceived a plan of transmitting speech by electricity. The author says, " Suppose a man speaks near a movable disk sufficiently...; that this disk alternately makes and breaks the currents from a battery, you may have at a distance another disk which will simultaneously execute...
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A history of physics in its elementary branches: including the evolution of ...

Florian Cajori - Science - 1899 - 322 pages
...by electricity. The author says, "Suppose a man speaks near a movable disk sufficiently flexible tc lose none of the vibrations of the voice ; that this disk alternately makes and breaks the currents from a battery, you may have at a distance another disk which will simultaneously execute...
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Wonders of the Nineteenth Century: A Panoramic Review of the Inventions and ...

John Wesley Hanson - Inventions - 1900 - 641 pages
...with the aid of speaking tubes and trumpets, impossible to exceed somewhat narrow limits. Suppose that a man speaks near a movable disk, sufficiently flexible...voice, that this disk alternately makes and breaks the current from a battery; you may have at a distance another disk, which %vill simultaneously execute...
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The Story of Rapid Transit

Beckles Willson - Local transit - 1903 - 204 pages
...all this would lead. "Suppose," he says, "that a man speaks near a movable disk sufficiently pliable to lose none of the vibrations of the voice, that this disk alternately makes and breaks the currents from a battery, you may have at a distance another disk which will simultaneously execute...
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Electricity of to-day: its work & mysteries described in non-technical language

Charles Robert Gibson - Electricity - 1907 - 347 pages
...which are reproduced by the intervening medium. . . . Suppose that a man speaks near a movable disc, sufficiently flexible to lose none of the vibrations of the voice, that this disc alternately makes and breaks the current from a battery ; you may have at a distance another disc,...
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Thomas Alva Edison: Sixty Years of an Inventor's Life

Francis Arthur Jones - Incandescent lamps - 1907 - 375 pages
...what was spoken in Vienna could not be heard in Paris. Suppose that a man speaks near a movable disc, sufficiently flexible to lose none of the vibrations of the voice ; that the disc alternately makes and breaks the connection with the battery, you might have at a distance...
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