Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 290
ncy would beobtained by superposing a current of 51,000 cycles upon another current of 50,000 cycles; infact, in any case, the frequency of the beat current could be the difference of the twoapplied frequencies. By adoption of this principle we are afforded ready means for making audible… … where the receiver circuits are indicated by L-1, L-2, the crystal rectifier D, etc. An «n-damped oscillation generator consisting of the D. C. arc gap A, B, the variable condenser Cand inductance L are shown at the base of the drawing. By means of this generator, a steadystream of oscillations is…
Telegraph, Wireless
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