Davis's manual of magnetism : including galvanism, magnetism, electro-magnetism, electro-dynamics, magneto-electricity, and thermo-electricity (1854)
Davis, Daniel · Boston : Palmer and Hall · leaf 102
resting as having beenthe subject of a series of experiments by Faraday, inwhich the phenomena of magnetism, electrical de-composition, the production of heat, the shock andspark were all obtained. Fig. 43 represents an indi-vidual of this species, which was preserved alive for G Y M N O T U S 85… … the animal, through the surrounding water. It willreadily be comprehended, that, even when the animalis in a straight position, the finger placed near its8 86 DAVISS MANUAL. side will become the medium of the passage of elec-tricity, as it is a better conductor than water, and thecurrent between…
