The Student's Text-book of Electricity1867 - 527 páginas |
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The Student's Text-book of Electricity Henry Minchin Noad,Sir William Henry Preece Vista completa - 1879 |
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action apparatus appearance armature arranged attraction axis ball bismuth brass cable carbon cells centre charge chemical circuit coating coil communication conducting wire conductor connected copper copper wire cylinder deflection diamagnetic direction disc discharge distance earth effect elec electric current electrified electro-magnet electrode electrometer electromotive force electroscope equal experiments Faraday feet fixed force galvanometer glass gutta-percha helix hydrogen inch in diameter increased induction instrument insulated intensity iron wire length letter lever Leyden jar light machine magnet magneto-electric mercury metallic miles motion moved needle negative electricity nitric acid observed obtained opposite oxygen paper particles pass pendulum piece placed platinum platinum wire polarity pole positive electricity produced quantity of electricity ratchet-wheel resistance round screw shown in Fig soft iron solution spark square sulphate sulphuric acid surface suspended telegraph tension terminal tion tricity tube voltaic battery voltaic current wheel wire zinc zinc plate
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Página 394 - But Moses' hands were heavy; and they took a stone, and put it under him, and he sat thereon; and Aaron and Hur stayed up his hands, the one on the one side, and the other on the other side; and his hands were steady until the going down of the sun.