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" ... telegraph; and it is also of material consequence in the construction of the galvanic coil. From these experiments it is evident that In forming the coil we may either use one very long wire or several shorter ones, as the circumstances may require;... "
Scientific Writings of Joseph Henry - Página 42
por Joseph Henry - 1886
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Proceedings of the American Philosophical Society Held at ..., Volumen32

American Philosophical Society - 1893 - 806 páginas
...several shorter ones, as the circumstances may require ; in the first case, our galvanic combination must consist of a number of plates so as to give 'projectile*...second, it must be formed of a single pair." * In 1832, Henry described the production of electrical effects from the action of magnets, f Having wound...
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Proceedings of the American Philosophical Society Held at ..., Volumen32

American Philosophical Society - 1894 - 810 páginas
...several shorter ones, as the circumstances may require ; in the first case, our galvanic combination must consist of a number of plates so as to give 'projectile'...second, it must be formed of a single pair." * In 1832, Henry described the production of electrical effects from the action of magnets, f Having wound...
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The Electro Magnetic Telegraph: With an Historical Account of Its Rise ...

Laurence Turnbull - 1853 - 276 páginas
...several shorter ones, as the circumstances may require ; in the first case, our galvanic combination must consist of a number of plates so as to give projectile...in the second, it must be formed of a single pair. " The wire used was 1,060 feet (a little more than one-fifth of a mile) of copper wire, of the kind...
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Shaffner's Telegraph Companion, Volúmenes1-2

1854 - 750 páginas
...may either use one very long wire, or several shorter ones, as the circumstances may require; in the first case, our galvanic combinations must consist...scale, the truth of these preliminary results, a bar of soft-iron, 2 inches square and 20 inches long, was bent into the form of a horse-shoe, 9i inches high,...
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The Popular Educator, Volumen6

1855 - 424 páginas
...shorter ones, as the circumstances of the case may require ; in the first case, our galvanic combination must consist of a number of plates, so as to give...in the second, it must be formed of a single pair." The effect of increasing the quantity of the battery current is in part shown by some of the above-mentioned...
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Smithsonian Miscellaneous Collections, Volumen20

1881 - 824 páginas
...either use one very long wire, or several shorter ones, as the circumstances niny require : in the first case, our galvanic combinations must consist...in the second, it must be formed of a single pair. "•{• Here for the first time is presented to science the " intensity " coil, — a spool of a single...
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Bulletin of the Philosophical Society of Washington: 1870-1871, Volúmenes1-2

Philosophical Society of Washington (Washington, D.C.) - 1874 - 640 páginas
...may either use one very long wire, or several shorter ones, as the circumstances may require : in the first case, our galvanic combinations must consist...in the second, it must be formed of a single pair." f Here for the first time is presented to science the " intensity " coil, — a spool of a single fine...
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Annual Report of the Board of Regents of the Smithsonian Institution

Smithsonian Institution. Board of Regents - 1879 - 588 páginas
...sweral shorter ones, as the circumstances may require : in the first cawa, our galvanic combination must consist of a number of plates so as to give 'projectile'...force; in the second, it must be formed of a single pair."t The importance of this discovery can hardly be overestimated. The magnetic "spool" of fine...
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A Memorial of Joseph Henry

United States. Congress - 1880 - 554 páginas
...several shorter ones, as the circumstances may require : in the first case, our galvanic combination must consist of a number of plates so as to give 'projectile'...in the second, it must be formed of a single pair." * The importance of this discovery can hardly be overestimated. The magnetic "spool" of fine wire,...
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A Memorial of Joseph Henry

1880 - 552 páginas
...stated that Mr. Barlow's investigation merely tended to disprove the possibility of a telegraph."] ber of plates so as to give 'projectile' force; in the second, it must be formed of a single pair." * The importance of this discovery can hardly be overestimated. The magnetic "spool" of fine wire,...
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