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 197
FiQ. 110.—Slaby-Arco-Donitz-Wave Meter. MANUAL OF RADIO TELEGRAPHY AND TELEPHONY. 189 iNSTRDCTiaNS FOR USINQ THE PlERCE WaVE MeTER OF THE MASSACHU-SETTS Wireless Equipment Co. A.—calibration of sending station. 1. To make the Instrument ready for use.—Take off the cover, foldback the hinged loop,…