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 158
son type, burns with about the brightness of the filament of acarbon incandescent lamp. The brightness should not exceed a dull red ifthe filament is coated with oxide. The grid condenser and the stopping condenser are set about one-fourthin, and the tuning condenser C2 set at zero, then if the… … y Receiving Set, Type A. 154 MANUAL OF RADIO TELEGRAPHY AND TELEPHONY. ditioii may be tested by touching with the moistened finger a bare portionof the wire connecting the receiver with Ha. If oscillations are present,touching the wire will produce a clicking or rustling noise in the tele-phones.…
