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Paperback. Condizione: Good. First Edition. Pages 751-818. Features: Fantastic cover art by Alex Schomburg depicts radio robot flametanks on a Japanese landscape; Dynamic Phono Pickup - moving-coil principle overcomes deficiencies of older types; Radio Robot Flame Tanks - feature article; Making Wartime Engineers; A Decibel Nomograph; Radios Serviced by Observation - Sight, Hearing, Touch, Small and Taste are Valuable Instruments for Checking Receivers; Tube Replacements - part 3 - Replacement by means of adapters; Adapter for the V.T.V.M.; Beware the Serviceman - how to avoid being gypped by the master racketeer; Broadast Equipment, Part XI - Frequency and Modulation Monitors; Detector Circuits - Part II - Hi-Fi Triode Detectors; Negative Feedback - Part II - feedback to the screen-grid circuit; "Loud" Crystal Radio; World-wide Station List; and much more. Average wear. Unmarked. A worthy vintage copy. Schomburg, Alex (cover); (illustratore).…

Paperback. Condizione: Good. First Edition. Pages 539-610. Features: Cover art by Alex Schomburg supports the 7th War loan to 'finish the Nips'; Prescient Editorial entitled "Radio-Light' says "We are still at thevery beginning of the radio and electronic arts. The greatest and undreamt of applications lie as yet in the future. There is sttill much unknown territory in the electromagnetic spectrum which holds out great promist."; Air Radio Mechanic - a great career opportunity;; Television and the Amateur; No Selectivity in This Radio - the Panoramoscope; Motorola Handie-Talkie; "Photopulse"; FM U.H.F. Converter for Pre-War Radios; Cathode-Ray Photo Tests; Handie and Walkie Combat Portables; Tuning on the U.H.F.; Cathode Followers; Disc-Seal Tubes; Broadcast Equipment, Part IX; An Electronic "Omnichecker," Part I; Condensers; Re-activator Saves Tubes; Non-Priority Code Recorder; 32-Volt Receiver for Small Plants; Fixed -Bias Voltage Supply; Carry-Around Receiver; Cylinders for Better Sound. Nice one-page Echophone ad features illustration of scantily-clad young lady; One-page Radio Corporation of America (RCA) ad includes inset photo of Dr. V.K. Zworykin and E.W. Engstrom examining an Iconoscope or television "eye"; Photo-illustrated Meissner Manufacturing ad says "There' no let down in Mt. Carmel (Illinois); Interference-free Fluorescent Installation at World Broadcasting System studio in New York; Great photo-illustrated letter from George Coffee of Providence, R.I. shows his wife using a Talkie-Backie (car phone). Nice photo-illustrated ad on back cover for Galvin Manufacturing illustrates California's use of Motorola Radiotelephone F-M (FM) units and Motorola Radio automatic relay stations by the California Highway Patrol. Average wear. Writing atop front cover. World-Wide Station list has been clipped from page 570 and is not included. 1/4 of page 601 has been removed, otherwise a worthy vintage copy. Schomburg, Alex (cover) (illustratore).…