American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 387
THEORY OF ETHERIDGE TRANSMITTER. ^z^ AMERICAN TELEGRAPHY. … To ascertain what this total resistance is the circuit of the transmitter is meas-ured from ^ to z; which having been done the value of a resistance such as bc, which.PiQ 2-0. when placed in multiple with the other coils will restore the resistance to 240 ohms, is calculated. In this case itis…
Telegraph
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