Lingua: Inglese
Editore: Bell Telephone Laboratories, New York, New York, 1931
Da: RG Vintage Books, Williamsburg, VA, U.S.A.
Soft cover. Condizione: Very Good. Condizione sovraccoperta: No Dustjacket. April, 1931. Tight three hole punched soft cover with staple binding in very good condition. 8vo. 88 pp. Light blue wrappers with black lettering & border. A few graphs & black & white illustrations within text. Book is very tight. The wrappers have a little edgewear & some light age discoloration. The front wrapper has initials along the top edge. The leaves have no markings. Ships within 24 hours. Scans available upon request.
Data di pubblicazione: 1931
Da: Xerxes Fine and Rare Books and Documents, Glen Head, NY, U.S.A.
Prima edizione
Condizione: Good. New York 1931 first edition. American Telephone and Telegraph. Original printed green wraps. large octavo. Symposium on pp. 155-264 with additional articles in the issue on other topics. Foldout map of radio telephone circuits in the world. Good, cover rubbed and somewhat worn. Binding secure and text clean . no ownership marks.