Telephony by McMeen and Miller 1923 - VG Condition

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Description

Title: Telephony, A Comprehensive and Detailed Exposition of the Theory and Practice of the Telephone Art
Author: Samuel G. McMeen and Kempster B. Miller
Publisher: American Technical Society, Chicago
Date: 1922
Size: 8 1/4" x 5 3/4" x 1 3/4", 935 pages. Illustrated
Preface: At the very opening of this work the authors have endeavored to give a general view, a mere sketch of the telephone art as a whole, so that the reader, if a beginner, may be disabused of the idea that telephony is fairly represented by the instrument on his wall or desk. Also, before plunging into the maze of details, the authors have endeavored to set forth the general principles involved in the transmission of speech and of signals and to discuss the electrical properties with which the craft has to deal. The telephone engineer requires knowledge of both the mechanism of his instruments and of the vagaries of the currents that make them talk.

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