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" Ibs., or more than 50 times its own weight These experiments conclusively proved that a great development of magnetism could be effected by a very small galvanic element, and also that the power of the coil was materially increased by multiplying the... "
Smithsonian Miscellaneous Collections - Page 239
1881
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Proceedings of the American Philosophical Society Held at ..., 32. köide

American Philosophical Society - 1893 - 806 lehte
...this magnet lifted thirty-nine pounds, or more than fifty times its own weight. This increase of power by multiplying the number of wires without increasing the length of each, as Henry points out, produces its effect in two ways : " first, by conducting a greater quantity of...
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Proceedings of the American Philosophical Society Held at ..., 32. köide

American Philosophical Society - 1894 - 810 lehte
...this magnet lifted thirty-nine pounds, or more than fifty times its own weight. This increase of power by multiplying the number of wires without increasing the length of each, as Henry points out, produces its effect in two ways : " first, by conducting a greater quantity of...
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Shaffner's Telegraph Companion, 1–2. köide

1854 - 750 lehte
...experiments conclusively proved that a great development of magnetism could be effected by a very small galvanic element, and also that the power of the coil...since the action of a galvanic current is directly at right-angles to the axis of a magnetic needle, by using several shorter wires, we can wind one on each...
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A Memoir of Joseph Henry: A Sketch of His Scientific Work

William Bower Taylor - 1879 - 162 lehte
...experiments conclusively proved that a great development of magnetism could be effected by a very small galvanic element, and also that the power of the coil...directly at right angles to the axis of a magnetic needle,—by using several shorter wires, we can wind one on each inch of the length of the bar to...
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Smithsonian Miscellaneous Collections, 21. köide

Smithsonian Institution - 1881 - 850 lehte
...experiments conclusively proved that a. great development of magnetism could be effected by a very small galvanic element, and also that the power of the coil...multiplication of the wires increases the power in two ware: first, by conducting a greater quantity of galvanism, and secondly, by giving it a more proper...
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A History of Electric Telegraphy, to the Year 1837

John Joseph Fahie - 1884 - 596 lehte
...conclusively proved that a great development of magnetism could be effected by a very small galvanic pair, and also that the power of the coil was materially increased by multiplying the * Smithsonian Report, for 1857, p. IO2. t It must not be forgotten that at the time when this experimental...
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The Age of Electricity: From Amber-soul to Telephone

Park Benjamin - 1886 - 422 lehte
...experiments conclusively proved that a great development of magnetism could be effected by a very small galvanic element ; and, also, that the power of the...of wires, without increasing the length of each." He also found that he could obtain stronger results with the wires so wound that the pitch of one spiral...
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The Electrical Engineer

1890 - 616 lehte
...experiments conclusively proved that a great development of magnetism could be effected by a very small galvanic element, and also that the power of the coil...multiplying the number of wires without increasing the number of each." Not content with these results Prof. Henry pushed forward on the line he had thus...
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Lectures on the Electromagnet

Silvanus Phillips Thompson - 1891 - 308 lehte
...experiments conclusively proved that a great development of magnetism could be effected by a very small galvanic element, and also that the power of the coil...multiplying the number of wires without increasing the number of each. ' ' 33 Not content with these results, Professor Henry pushed forward on the line he...
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Lectures on the Electromagnet

Silvanus Phillips Thompson - 1891 - 296 lehte
...experiments conclusively proved that a great development of magnetism could be effected by a very small galvanic element, and also that the power of the coil...multiplying the number of wires without increasing the number of each." 33 Not coTitent with these results, Professor Henry pushed forward on the line he...
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