RCA Phototubes for Light-Operated Relays, Light Measurements, Sound Reproduction

RCA Phototubes for Light-Operated Relays, Light Measurements, Sound Reproduction

Harrison, N.J. Radio Corporation of America, 1940. Paperback. 15, [1] p.: illustrations, tables, graphs; 28 cm. Illustrated cover included in pagination; stapled. "Form PT-20R1" -- front cover. Stamped on the front cover: Radio Electric Service Co. of Pa., Philadelphia. In Near Fine Condition: upper corner of front cover creased; clean and solid. Near Fine. Item #008344

Price: $18.00

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