503 Division

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GSP 503-400-200 Issue 1 Aug63 - Leich L55 PBX - Installation Ocr R GSP 503-400-200 Issue 1 Aug63 - Leich L55 PBX - Installation Ocr R

Date added: 02/06/2014
Date modified: 02/06/2014
Filesize: 2.73 MB
Downloads: 763

Contributed by Steve Cichorsky.  OCR by Clint Gilliland.

GSP 503-620-400-i1-555-Description Tl GSP 503-620-400-i1-555-Description Tl

Date added: 08/17/2010
Date modified: 12/07/2010
Filesize: 5.61 MB
Downloads: 987
Dec 65.

GSP 503-700-400 I1 Leich L55 Adjustments GSP 503-700-400 I1 Leich L55 Adjustments

Date added: 11/24/2009
Date modified: 12/07/2010
Filesize: 4.21 MB
Downloads: 1197
Aug 63.

GSP 503-400-100 I2 Leich L55 Description GSP 503-400-100 I2 Leich L55 Description

Date added: 11/24/2009
Date modified: 12/07/2010
Filesize: 25.54 MB
Downloads: 600
Apr 71.

GSP 503-620-400 i1 Dec65  555 PBX Switchboard Circuits GSP 503-620-400 i1 Dec65 555 PBX Switchboard Circuits

Date added: 11/21/2009
Date modified: 03/10/2013
Filesize: 5.61 MB
Downloads: 1782

GENERAL SYSTEM PRACTICES
SECTION 503-620-400
ENGINEERING-PLANT SERIES
ISSUE 1, DECEMBER, 1965
GT&E STANDARD
DESCRIPTION, CIRCUITS 555 PBX SWITCHBOARD

source: photocopy provided by Jim Decker

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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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