Cyclopedia of Telephony and Telegraphy, Vol. 1 / A General Reference Work on Telephony, etc. etc.

by American School of Correspondence

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Table of Contents

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VOLUME I

Fundamental Principles By K. B. Miller and S. G. McMeen [^[A]] Page 11

[CHAPTER I]—Acoustics—Characteristics of Sound—Loudness—Pitch—Vibration of Diaphragms—Timbre—Human Voice—Human Ear

[CHAPTER II]—Speech—Magneto Telephones—Loose-Contact Principle—Induction Coils