Robison's Manual of radio telegraphy and telephony for the use of naval electricians (1918)
Robison, S. S. (Samuel Shelburne), b. 1867, United States Naval Institute, Todd, David Wooster, Hooper, Stanford Caldwell · Annapolis, Md. : The United States Naval Institute · leaf 193
Fig. 108b. The necessity for the above detracts considerably from the simplicityof an installation. ADJUSTMENTS. 224. This includes calibration and tuning. A station is tuned whenboth sending and receiving circuits are correctly calibrated, coupled andadjusted to the standard damping and standard…