The standard electrical dictionary : a popular encyclopaedia of words and terms used in the practice of electrical engineering (1898)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · London : Crosby Lockwood and Son · leaf 536
A number of thermo-electriccouples q. v., connected generally in series. In Nobilis pile the metals are bismuth and antimony; paper STANDARD BIvECTRICAL DICTIONARY. 531 bands covered with varnish are used to insulate where required.In Becquerels pile copper sulphide (artificial) and German… … Fig. 331. Becquerels Thermo-Electric Batteries. gas flames to heat the other set. In Fig. 331, c, d represent the bind-ing screws. The couples are mounted on a vertical standard, withadjusting socket and screw ^5, so that its lower end can be im-mersed in cold water, or raised therefrom as desired.…
Electricity
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