Write to the booksellers2 books for « wallace jr r l »Edit
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Reproduction of Magnetically Recorded Signals.
New York, American Telephone and Telegraph Company, 1951. 8vo. In the original printed blue wrappers. In ""The Bell System Technical Journal"", Volume XXX, Number 4, part II, 1951. Entire issue offered. Light miscolouring to spine. A fine fine and clean copy. Pp. 1145-1173. [Entire issue: Pp. 1041-1254.].
First appearance of Wallace on how to preproduce magnetically recorded signals.""In early studies R. L. Wallace devised conference-room systems for stereo reproduction, having small loudspeakers placed in chair backs. Wallace also demonstrated that externalization of sound images could be obtained from stereo earphones that were carefully compensated for ear-canal response"". (Millman, A History of Engineering & Science in the Bell System).
Hermaphroditism, Genital Anomalies and Related Endocrine Disorders
Baltimore, Williams & Wilkins, 1958. First edition. A thick, in-quarto 268 x 202 mm (7 3/4 x 10 1/2 inches) book with (xvi) 456 pp. Hardback, gold titling in a black spine panel on dark blue cloth covers. No dust jacket. Of note the French SANS TACHE ("stainless") motto shown at the bottom of the spine. Profusely illustrated with no less than 444 figures, mostly black-and-white photographs and a few drawings. Printed on bright coated paper.
A small bump on the front cover top right corner, otherwise in very good shape.
