Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 18
wires from the primary battery are disconnected and * Cells of various types are described in books on elementary electricity to which the reader isreferred for a more detailed description. THE PRODUCTION OF ELECTROMOTIVE FORCE. the plates are joined by a conductor, current will flow from the lead… … Fig. 4- plate through the electrolyte, the plateconnected to the positive pole of the batteryreceives a brown coating of peroxide oflead but the opposite plate becomes spongyor porous. Since the passage of the cur-rent through the cell has left one plateunchanged while it has coated the surfaceof…
Telegraph, Wireless
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