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Associated Telephone THE MOUTH-PIECE Sept 1930 Ocr R Associated Telephone THE MOUTH-PIECE Sept 1930 Ocr R

Date added: 04/25/2013
Date modified: 04/25/2013
Filesize: 29.03 MB
Downloads: 655

Newsletter includes profiles of installations at Lexington, KY, Guernsey, WY, Pamona, CA and Erie, PA.  Contributed by Steve Cichorsky.

Pacific Telephone Toll Supervisors Guide Sep46 Ocr R Pacific Telephone Toll Supervisors Guide Sep46 Ocr R

Date added: 04/25/2013
Date modified: 04/25/2013
Filesize: 7.66 MB
Downloads: 720

Contributed by Steve Cichorsky.

SF Bay Area Number Change August 10 1947 Ocr R SF Bay Area Number Change August 10 1947 Ocr R

Date added: 04/25/2013
Date modified: 04/25/2013
Filesize: 867.65 kB
Downloads: 871

Contributed by Steve Cichorsky.

POEEJ 10-81 - The Evolution Of Switching Sys Architecture - A5 Ocr R POEEJ 10-81 - The Evolution Of Switching Sys Architecture - A5 Ocr R

Date added: 05/06/2012
Date modified: 05/06/2012
Filesize: Empty
Downloads: 55
Contributed by Steve Cichorsky.  OCR by Clint Gilliland.

Atkinson Switchboard Cable Colours Atkinson Switchboard Cable Colours

Date added: 11/10/2011
Date modified: 11/10/2011
Filesize: 2.12 MB
Downloads: 1215
(Extract) Colour scheme of switchbalrd cables with 101 conductors. Also includes a nice drawing of "makeup of a typical switchboard cable" and text segment on cable waxing. Contributed by Paul Coxwell.

General Telephone Company Of California Test Number Directory Extract General Telephone Company Of California Test Number Directory Extract

Date added: 11/10/2011
Date modified: 11/10/2011
Filesize: 348.19 kB
Downloads: 940
Contributed by Steve Cichorsky.

Evolution of the Strowger Automatic Telephone - Chart - ca. 1922 Evolution of the Strowger Automatic Telephone - Chart - ca. 1922

Date added: 10/19/2011
Date modified: 10/19/2011
Filesize: 113.08 kB
Downloads: 955
Contributed by Steve Cichorsky

Unification of the Manual and Automatic Telephone Systems - 1919 Unification of the Manual and Automatic Telephone Systems - 1919

Date added: 10/19/2011
Date modified: 10/19/2011
Filesize: 396.41 kB
Downloads: 883
Contributed by Steve Cichorsky

55may REA Voice Frequency Loading Trunk Cables TelEngConstManual Sec 431 I1 55may REA Voice Frequency Loading Trunk Cables TelEngConstManual Sec 431 I1

Date added: 08/06/2011
Date modified: 08/06/2011
Filesize: 5.69 MB
Downloads: 1026

Automatic Telephone Exchange Systems Automatic Telephone Exchange Systems

Date added: 02/25/2011
Date modified: 02/25/2011
Filesize: 27.17 MB
Downloads: 1038
March 1930. His Majesty's Stationery Office.  Part 14B.  Rural Automatic Exchanges - 25/100 lines, using units, Auto, No. 5 - Installation and Maintenance.  British Post Office UAX5.  About 28MB.  Contributed by Paul Coxwell.

The Faller Automatic System - 1902 The Faller Automatic System - 1902

Date added: 08/29/2010
Date modified: 08/29/2010
Filesize: 10.39 MB
Downloads: 1222

Crossbar Systems   Incomplete Crossbar Systems Incomplete

Date added: 04/06/2010
Date modified: 04/06/2010
Filesize: 4.79 MB
Downloads: 1424

No. 5 Crossbar (Chapter Three) Rssp No. 5 Crossbar (Chapter Three) Rssp

Date added: 04/06/2010
Date modified: 04/06/2010
Filesize: 4.3 MB
Downloads: 1203

Panel Switching System - Chapter V Rss Panel Switching System - Chapter V Rss

Date added: 04/06/2010
Date modified: 04/06/2010
Filesize: 10.84 MB
Downloads: 1046

Billing AMA Toll Billing AMA Toll

Date added: 12/17/2009
Date modified: 12/17/2009
Filesize: 687.27 kB
Downloads: 1168

Mechanized Billing of AMA Toll Messages

SATT AIEE Paper SATT AIEE Paper

Date added: 12/15/2009
Date modified: 12/15/2009
Filesize: 2.85 MB
Downloads: 1565

4A Toll Crossbar 4A Toll Crossbar

Date added: 11/19/2009
Date modified: 11/19/2009
Filesize: 3.38 MB
Downloads: 1718

2006 - Tennessee 10-year Switch Plan 2006 - Tennessee 10-year Switch Plan

Date added: 10/28/2009
Date modified: 11/11/2009
Filesize: 434.22 kB
Downloads: 916

"Rules of Tennessee Regulatory Authority,"? "Ten Year Master Plan for Technology Deployment by Telephone Companies."?? Shows switch locations and types.? July 2006.

Chapius - American Step By Step Systems - Director System Chapius - American Step By Step Systems - Director System

Date added: 10/28/2009
Date modified: 11/12/2009
Filesize: 810.18 kB
Downloads: 1546

Telephony (book), 1938, Ch. VIII - Director System Telephony (book), 1938, Ch. VIII - Director System

Date added: 10/28/2009
Date modified: 11/12/2009
Filesize: 21.87 MB
Downloads: 886

Recent Contributors

Thanks for new documents from David Gruger, Jeff Lamb, Walt Aydelotte, Dennis Hock, Steve Flocke, Paul Wills, Sam Etler, Fred Haynes, John Novack, Clint Gilliland, Steve Cichorsky and Karl Brose.

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