The Project Gutenberg EBook of Cyclopedia of Telephony and Telegraphy,
Vol. 2, by Kempster Miller and George Patterson and Charles Thom and Robert Millikan and Samuel McMeen

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Title: Cyclopedia of Telephony and Telegraphy, Vol. 2
A General Reference Work on Telephony, etc. etc.

Author: Kempster Miller
George Patterson
Charles Thom
Robert Millikan
Samuel McMeen

Release Date: August 15, 2010 [EBook #33437]

Language: English

Character set encoding: ASCII

*** START OF THIS PROJECT GUTENBERG EBOOK TELEPHONY AND TELEGRAPHY, VOL 2 ***

Produced by Ronald Holder, Stephen H. Sentoff and the
Online Distributed Proofreading Team at http://www.pgdp.net

[Illustration: THOMAS A. EDISON Pioneer Electrical Investigator and
Inventor of Numerous Telegraph, Telephone, Lighting, and Other
Electrical Devices.]

Cyclopedia

of

Telephony and Telegraphy

_A General Reference Work on_

TELEPHONY, SUBSTATIONS, PARTY LINE SYSTEMS, PROTECTION, MANUAL
SWITCHBOARDS, AUTOMATIC SYSTEMS, POWER PLANTS, SPECIAL
SERVICE FEATURES, CONSTRUCTION, ENGINEERING,
OPERATION, MAINTENANCE, TELEGRAPHY, WIRELESS
TELEGRAPHY AND TELEPHONY, ETC.

_Prepared by a Corps of_

TELEPHONE AND TELEGRAPH EXPERTS, AND ELECTRICAL ENGINEERS OF
THE HIGHEST PROFESSIONAL STANDING

_Illustrated with over Two Thousand Engravings_

FOUR VOLUMES

CHICAGO

AMERICAN SCHOOL OF CORRESPONDENCE

1919

COPYRIGHT, 1911, 1912,
BY
AMERICAN SCHOOL OF CORRESPONDENCE

COPYRIGHT, 1911, 1912
BY
AMERICAN TECHNICAL SOCIETY

Entered at Stationers' Hall, London
All Rights Reserved

Authors and Collaborators

* * * * *

KEMPSTER B. MILLER, M.E.
Consulting Engineer and Telephone Expert Of the Firm of McMeen and
Miller, Electrical Engineers and Patent Experts, Chicago
American Institute of Electrical Engineers
Western Society of Engineers

* * * * *

GEORGE W. PATTERSON, S.B., Ph.D.
Head, Department of Electrical Engineering, University of Michigan

* * * * *

CHARLES THOM
Chief of Quadruplex Department, Western Union Main Office, New York