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" I have read somewhere that the resistance offered by a wire to the passage of an electrical current is affected by the tension of the wire. If this is so, a continuous current of electricity passed through a vibrating wire should meet with a varying resistance,... "
Supreme Court of the United States, Oct. Term 1886: The Telephone Appeals ... - Page 86
by Edward Nicoll Dickerson - 1887
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Bell's Electric Speaking Telephone: Its Invention, Construction, Application ...

George Bartlett Prescott - Telephone - 1884 - 556 pages
...from the battery passed. With reference to this plan, he wrote Gardiner G. Hubbard, May 4, 1875, that if this turns out to be the case, the oscillations...well as in the rate of movement, to the vibrations given to the transmitter by the voice, one consequence of which would be that the timbre of a sound...
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Complainant's case. Defendant's depositions

1885 - 1076 pages
...battery passed. With reference to this plan, I wrote in a letter, May 4, 1875: "If this turns out to ba the case, the oscillations of the current should correspond...as in the rate of movement to the vibrations of the siring. One consequence would be that the 6 timbre of a sound could be transmitted. The plan for transmitting...
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The Telephone Appeals (January 24-February 8, 1887): ... Amos E. Dolbear Et ...

Edward Nicoll Dickerson - Telephone - 1887 - 186 pages
...be excelled. I read it (General Brief, 50; Dowd, i, 464): "Another experiment has occurred to rne, which, if successful, will pave the way for still...IF THIS TURNS OUT TO BE THE CASE, THE OSCILLATIONS OP THE CURRENT SHOULDCORRESPOND IN AMPLITUDE AS WELL AS IN THE RATE OP MOVEMENT TO THE VIBRATIONS OF...
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United States Reports: Cases Adjudged in the Supreme Court, Volume 126

United States. Supreme Court, John Chandler Bancroft Davis, Henry Putzel, Henry C. Lind, Frank D. Wagner - Courts - 1888 - 630 pages
...resistance offered by a wire to the passage of an electrical current is affected by the tension of the wire. If this is so, a continuous current of electricity...One consequence would be that the timbre of a sound should be transmitted. The plan for transmitting timbre that I explained to you before, viz., causing...
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The Telephone and Telephone Exchanges: Their Invention and Development

John E. Kingsbury - Telephone - 1915 - 594 pages
...resistance offered by a wire to the passage of an electrical current is affected by the tension of the wire. If this is so, a continuous current of electricity...pulsatory action should be induced in the current.' (Deposition, p. 53.) be reproduced. The effect was improved by building up the nails log-hut fashion...
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The Bell Telephone

Alexander Graham Bell - Science - 1908 - 492 pages
...resistance offered by a wire to the passage of an electrical current is affected by the tension of the wire. If this is so, a continuous current of electricity...current should correspond in amplitude, as well as in rate of movement, to the vibrations of the .string. One consequence would be that the timbre of a sound...
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Bell: Alexander Graham Bell and the Conquest of Solitude

Robert V. Bruce - Biography & Autobiography - 1990 - 580 pages
...have read somewhere that the resistance offered by a wire ... is affected by the tension of the wire. If this is so, a continuous current of electricity...pulsatory action should be induced in the current . . . [corresponding] in amplitude, as well as in rate of movement, to the vibrations of the string....
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The Froehlich/Kent Encyclopedia of Telecommunications: Volume 2 - Batteries ...

Fritz E. Froehlich, Allen Kent - Technology & Engineering - 1991 - 548 pages
...working in reverse. In May 1875, he expanded his theory on undulatory currents when he realized that "a continuous current of electricity passed through...vibrating wire should meet with a varying resistance" (4), creating an induced undulatory current that would JT FIG. 2 Harp apparatus. (Reprinted with permission...
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The Telephone Gambit: Chasing Alexander Graham Bell's Secret

Seth Shulman - Science - 2008 - 256 pages
...read somewhere that the resistance offered by a wire . . . is affected by the tension of the wire. If this is so, a continuous current of electricity...pulsatory action should be induced in the current. The letter shows that Bell possessed some basic understanding that varying the resistance of an electrical...
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Media Technology and Society: A History : from the Telegraph to the Internet

Brian Winston - Communication - 1998 - 389 pages
...resistance offered by a wire to the passage of an electric current is affected by the tension of the wire. If this is so, a continuous current of electricity passed through a vibrating wire should meet with varying resistance, and hence a pulsatory action should be induced in the current. If this turns out...
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