Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 49
natomist at the University ofBologna, accidentally discovered that there is a chemical method forproducing such a continuous current. His discovery was not under-stood, however,until Volta, pro-fessor of physicsat Como, devis-ed an arrange-ment which isnow knownsometimes as thevoltaic, some-times… … Fig. 37. Demonstrating Flow and Magnetic Effects ofCurrent from Galvanic Cell. 39 30 ELECTRICITY AND MAGNETISM leading from the copper and the zinc are connected for a few secondsto the end of the coil of Fig. 35, when an unmagnetized needle lieswithin this coil, the needle will be found to be much…
Electrical engineering
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