Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 16
not begiven. 14. Electricity by Chemical Action(Primary or Secondary Batteries).— A convenient and practical appar-atus for settingup a steady electro-motive force is the electrochemicalcell which consists of two dissimilarelements, in other words, two un-like metals immersed into a diluteacid or… … 6 PRACTICAL WIRELESS TELEGRAPHY exposed terminals of these plates are joined by a metallic conductor, the cell is capable ofsupplying a continuous flow of electricity through the wire. It is observed as the currentflows that the zinc strip wastes away, in fact, the consumption of the zinc furnishes…
Telegraph, Wireless
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