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Wonders of electricity (1872)

Baille, Jean Baptiste Alexandre, b. 1841, Armstrong, John W., ed · New York, Scribner, Armstrong, and co. · leaf 46

An illustration from Wonders of electricity, 1872, leaf 46
beinstantly and powerfully attracted, and held withgreat force. Weights may now be suspended fromthe ring in the armature, and thus the force of themagnet may be measured. The force will depend MORSE S TELEGRAPH—ELECTRO-MAGNETISM. upon the size and purity of the bent bar and of thearmature, the… … Electro-magnet loaded with. Weights. which depends upon the thickness of the wire, andon other circumstances which it would take too longto enumerate.f A bar two feet long and two inches in diameter may easily bemade to sustain a ton.—A. t Professor Henry and Dr. Ten Eyck, of the Albany…

Electricity

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