American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 402
WIRELESS TELEGRAPHY. 3357 and through any condenser and the spark gap and primary of transformer t shallbe equal, to the end that all condenser discharges shall travel in the same time tospark gap s and all have the same frequency. The capacity of condensers c is ad-justed in such manner that… … secondary of t^ and the aerial wires. Analogously, the other oscillation circuit oand transformer circuits are suitably attuned to each other, by varying the induct-ance or capacity, for which provision is made in the apparatus. To obviate opening and closing the primary circuit of D tv/o choke…
Telegraph
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