AT&T Specifications (pre-BSP) (by Doc #)

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4-digit all numeric codes, used before about 1930.

Documents

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AT&T Spec 4810 - Stations Hand Telephone Sets AT&T Spec 4810 - Stations Hand Telephone Sets

Date added: 01/21/2010
Date modified: 11/08/2011
Filesize: 1.42 MB
Downloads: 2154

A.T.&T. Specifications 4810, December 1927, Replacing Spec 4732 and Supplement A, 36 pages.
Includes Cording, Connections and Tests for E1A and E1B handserts used on A, B and C handset mountings, including A1-type, A2-type, A3-type, B1-type, B2-type, B3-type and C1-type mountings.

AT&T Spec 4800 - Telephone Directory Install Tl AT&T Spec 4800 - Telephone Directory Install Tl

Date added: 09/22/2010
Date modified: 01/09/2012
Filesize: 830.09 kB
Downloads: 1387

AT&T Spec 4621 - No. 530A Subscriber Set for Outdoor Use - June 1926 AT&T Spec 4621 - No. 530A Subscriber Set for Outdoor Use - June 1926

Date added: 12/18/2011
Date modified: 01/09/2012
Filesize: 2.34 MB
Downloads: 1997
Rescanned for clarity. Includes wiring diagram.  Contributed by Steve Cichorsky.

AT&T Spec 4590 - No. 50 Coin Collector - Installation - April 1927 AT&T Spec 4590 - No. 50 Coin Collector - Installation - April 1927

Date added: 12/18/2011
Date modified: 01/09/2012
Filesize: 2.59 MB
Downloads: 2273
Rescanned for clarity.  Replaced Spec 3857 and part of 4160.  Contributed by Steve Cichorsky.

AT&T Spec 4588 - May28 CB Manual Stations  [LARGE FILE] AT&T Spec 4588 - May28 CB Manual Stations [LARGE FILE]

Date added: 11/19/2011
Date modified: 01/09/2012
Filesize: 21.13 MB
Downloads: 2065
Replaced parts of specs 3851 and 3854. Covers 40AL, 40CM, 51AL, 51CM, 51CN, 52AB desk sets, 7J-type coin collector, subsets - 392-type, 533-type, 534-type, 553-type and 554-type - plus wiring diagrams. Contributed by Chuck Hensley.

AT&T Spec 4566 Feb26 Machine Switching Stations T Ocr R AT&T Spec 4566 Feb26 Machine Switching Stations T Ocr R

Date added: 01/22/2012
Date modified: 04/25/2013
Filesize: 12.05 MB
Downloads: 3229
116 pages. Replaced spec 4160. Covers 51AL, 51CM, 51C, 51CN, desk stands, D-75959 test set, 7A-type coin collector, subsets - 392-type, 534-type, 553-type and 554-type - plus wiring diagrams. Contributed by Chuck Hensley.

[Original Archived]  OCR / Size reduction by Clint Gilliland.

AT&T Spec 4566 - SuppD Dec30 Dial Manual CB Stations AT&T Spec 4566 - SuppD Dec30 Dial Manual CB Stations

Date added: 11/11/2011
Date modified: 01/09/2012
Filesize: 3.93 MB
Downloads: 1626
Contributed by Chuck Hensley.

AT&T Spec 4566 - SuppC Nov30 Dial Manual CB Stations AT&T Spec 4566 - SuppC Nov30 Dial Manual CB Stations

Date added: 11/11/2011
Date modified: 01/09/2012
Filesize: 2.28 MB
Downloads: 1980
Contributed by Chuck Hensley.

AT&T Spec 4566 - SuppB Jun30 Dial Manual CB Stations AT&T Spec 4566 - SuppB Jun30 Dial Manual CB Stations

Date added: 11/11/2011
Date modified: 01/09/2012
Filesize: 1.48 MB
Downloads: 1770
Contributed by Chuck Hensley.

AT&T Spec 4566 - CP Insert Oct31 Dial Manual CB Stations AT&T Spec 4566 - CP Insert Oct31 Dial Manual CB Stations

Date added: 11/11/2011
Date modified: 01/09/2012
Filesize: 1.42 MB
Downloads: 1896
Contributed by Chuck Hensley.

AT&T Spec 4465 7-J And 7-K Coin Collectors AT&T Spec 4465 7-J And 7-K Coin Collectors

Date added: 03/22/2010
Date modified: 04/25/2013
Filesize: 815.49 kB
Downloads: 1137

[Rescanned and bookmarked]

A. T. & T. Co.'s
Specifications No. 4465
January, 1926


STATIONS
NO. 7-J AND NO. 7-K COIN COLLECTOR
MAINTENANCE


DESCRIPTION OF COIN COLLECTOR
The #7 type coin collector is a prepayment collector for nickels only
and the illustration shown below is of the #7-J Coin Collector. The #7-K
Collector is the same as the #7-J except that it has a larger cash
compartment.

(Copyright, 1926, American Telephone and Telegraph Company)
Printed in U. S. A.

AT&T Spec 4455 - Public Telephone Signs Tl AT&T Spec 4455 - Public Telephone Signs Tl

Date added: 09/22/2010
Date modified: 01/09/2012
Filesize: 1.05 MB
Downloads: 1467

AT&T Spec 4430 - Open Type Booths Tl AT&T Spec 4430 - Open Type Booths Tl

Date added: 09/22/2010
Date modified: 01/09/2012
Filesize: 794.26 kB
Downloads: 1257

AT&T Spec 4170 - SuppA Dec24 Substation Private Branch Exchange Protector Installation AT&T Spec 4170 - SuppA Dec24 Substation Private Branch Exchange Protector Installation

Date added: 11/11/2011
Date modified: 01/09/2012
Filesize: 2.55 MB
Downloads: 1756
Contributed by Chuck Hensley.

AT&T Spec 4170 - Apr22 Substation Private Branch Exchange Protector Installation AT&T Spec 4170 - Apr22 Substation Private Branch Exchange Protector Installation

Date added: 11/11/2011
Date modified: 01/09/2012
Filesize: 11.82 MB
Downloads: 2011
Contributed by Chuck Hensley.

AT&T Spec 4159 - SuppA Jun24 Maintenance Automatic Electric Dials Substations AT&T Spec 4159 - SuppA Jun24 Maintenance Automatic Electric Dials Substations

Date added: 11/11/2011
Date modified: 01/09/2012
Filesize: 675.59 kB
Downloads: 1679
Contributed by Chuck Hensley.

AT&T Spec 4159 - Jan22 Maintenance Automatic Electric Dials Substations AT&T Spec 4159 - Jan22 Maintenance Automatic Electric Dials Substations

Date added: 11/11/2011
Date modified: 01/09/2012
Filesize: 4.61 MB
Downloads: 2500
Contributed by Chuck Hensley.

AT&T Spec 4159 - CP Insert Dec24 Maintenance Automatic Electric Dials Substations AT&T Spec 4159 - CP Insert Dec24 Maintenance Automatic Electric Dials Substations

Date added: 11/11/2011
Date modified: 01/09/2012
Filesize: 342.01 kB
Downloads: 1500
Contributed by Chuck Hensley.

AT&T Spec 3859 Aug22 Substation Wiring Plans Ocr R AT&T Spec 3859 Aug22 Substation Wiring Plans Ocr R

Date added: 03/16/2013
Date modified: 04/25/2013
Filesize: 5.42 MB
Downloads: 1847

Contributed by Steve Cichorsky. 

AT&T Spec 3859 - SuppB Sep30 Station Wiring Plans AT&T Spec 3859 - SuppB Sep30 Station Wiring Plans

Date added: 11/11/2011
Date modified: 01/09/2012
Filesize: 11.43 MB
Downloads: 2017
Contributed by Chuck Hensley.

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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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