Radio Telephony for Amateurs. Questo articolo non è disponibile.Radio Telephony for Amateurs

Second edition. Original red cloth, index, 296 pp, illustrated with drawings and and a few photographs. Very good+, no dustjacket. Corners bumped, some light soil on cloth, spine moderately faded with a few approximately 1/4 inch nicks and chips at head and foot. Internally, previous owner's initials and another previous owner's signature (William Backer) , paper lightly age yellowed, otherwise tight, clean, paper crisp, unmarked. Thorough guide to the radio, aimed at the amateur, with chapters on the audion, antenna construction, building transmitter, power sources, radio clubs, etc. Radio; antiques; reference; early electricity; vacuum tubes; how-to; reference; technology; science; ham radio.