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Published by American Telephone and Telegraph Company, New York, 1931
Seller: Argyl Houser, Bookseller, Turlock, CA, U.S.A.
Magazine / Periodical
Soft cover. Condition: Fair. Dust Jacket Condition: None as issued. Still complete and intact. Some foxing (tan spotting) to the pages and pull-out diagram. A few pages have a bent or creased corner. Exterior covers and spine are mottled and soiled with toning (age tanning) to peripheries. Wear to edges of covers include a few small chips or tears. Lower right corner of the front cover is creased. Wear to the top and bottom edges of the spine. Will be bubble-wrapped and carefully packed in a sturdy box to ensure safe transit. This issue includes: "The Interconnection of Telephone Systems--Graded Multiples"; "Moving-Coil Telephone Receivers and Microphones"; "Some Developments in Common Frequency Broadcasting"; "Application of Printing Telegraph to Long-Wave Radio Circuits"; "Audible Frequency Ranges of Music, Speech and Noise"; "Contemporary Advances in Physics, XXII--Transmutation"; "Developments in Short-Wave Directive Antennas"; "Abstracts of Technical Papers" and "Contributors to This Issue".