Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 277
st-ance in the circuit at R.The gap is then length-ened out and the voltageincreased until the aerial Fig. 280—Details and Connections of the Alexanderson Radio Frequency ^.^ter indicates aAlternator. maximum readmg. /; is , ,, , A • ^7 ■ , t °*^^ ° critical length of arc gap gives the maximum… … TRANSMITTERS OF UNDAMPED OSCILLATIONS. 267 215. Signalling with the Arc Transmitter.—It is obvious that a telegraphkey cannot be placed in series with the arc gap for signalling and, in consequence,the formation of the Morse characters is usually effected by changing the inr-ductance of the antenna…
Telegraph, Wireless
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
