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 72
tery, Local. A battery suppl5dng a local circuit (see Circuit,Local). The current is governed by the relay situated on the mainline and operated by its current. Battery, Main. The battery used in operating the main line.It is usually applied to telegraphy. Its function is then to supplycurrent for… … Fig. 46. Lecl.anche Battery. Battery, Marie Davys. A two fluid porous cup batterywith carbon negative plate, zinc positive plate, and mercury sul-phate, a nearly insoluble salt, as depolarizer and excitant. Mer-curous or mercuric sulphates have been used in it. Its electro-motive force is 1.5…
Electricity
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