Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 117
note for this gap is foundby increasing or decreasing the length ofthe discharge gap or by adjustment of thetransformer voltage. Blunt discharge electrodes give an ir-regular spark note whereas sharp pointed^Circll^s^TTV^pfrffAdiustid ^rlnfm^ti electrodes give a high pitched note, but they… … APPLIANCES FOR A RADIO TRANSMITTER. 107 stationary electrodes until synchronous discharges are obtained, and also by regulating thelength of the gap and the voltage of the transformer. The note of the quenched gap is adjusted by variation of the number of gaps or by regu-lation of the generator…
Telegraph, Wireless
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