American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 436
ig followed by front. To acknowledge receipt of a message.—Signal O K followed by front and per-sonal signal or initial of receiver. CONVENTIONAL SIGNALS FOR HELIOGRAPH OR FLASH LANTERN. To call a station.—Turn a steady flash on the station and keep it there until an-swered by a steady flash. Both… … WIG-WAGGING. 366 AMERICAN TELEGRAPHY. To acknowledge a call.—Signal I three times, followed by the call letter of tneacknowledging station. To break or stop the signals fro??i the scfiding station.—Signal A without pauseuntil answered by a steady flash 7o start the sending station after…
Telegraph
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