Author: Proctor, William S.
Title: Automatic telephony.
Description: Sheffield: Bennett College Ltd. 1930. First Edition. Hardcover. Clean hardback tightly bound in blue cloth with gilt titles, cloth rubbed and worn at edges, no inscriptions. 456 pages, illustrations in the text and on foldout plates. Undated but assume late 1920's/early 1930s as latest date referred to in text is 1924. Heavy book so additional postge may be requested. Very Good with no dust jacket.

Keywords: Telecommunications Switchboards Telephones Electronics


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