Folder WEco Switching Documents

General and introductory info on topics including Manual, Step-by-Step (SxS), Panel, Crossbar (Xbar) and ESS.

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pdf ATT LL Apr71 - Autovon Routing Guide Popular

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ATT_LL_Apr71_Autovon_Routing_Guide_tci-ocr.pdf

ATT LL Apr71 - Autovon Routing Guide

190 pages. AT&T Long Lines. 1971 Contributed by Wendell Olson. Scanned and processed by Paul Fassbender.

pdf ATT LL Training Course OJT-9 i1 Mar66 - GE Echo-Fox Radio PART 1 Popular

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ATT_LL_Training_Course_OJT-9_i1_Mar66_GE_Echo-Fox_Radio_PART_1_tci_ocr.pdf

ATT LL Training Course OJT-9 i1 Mar66 - GE Echo-Fox Radio PART 1

AT&T Long Lines. Contributed by Steve Cichorsky.

pdf Automatic Message Accounting Brochures Bc Popular

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Automatic_Message_Accounting_Brochures_bc.pdf

pdf ITE-4137-2260 - General Tests - Section 99 Feb71 - Bc Popular

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ITE-4137-2260_bc.pdf

pdf WE Vacuum Tubes in Telephone Work, Elliott - Jan26 Popular

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Vacuum_Tubes_In_Telephone_Work_Jan26_tci.pdf

14 pages, History and Development, Characteristics of WE L, V and O-type tubes.

Contributed by John Novack

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Thanks for new documents from Jim Hurtle, Ed Palazzo, Paul Fassbender, Bruce Patterson, Remco Enthoven, Jon Kolger, Paul Ivester, Len Hicken, Fred Haynes, Kurt Rudolph, Wade ("Kellogg KITT"), the Connections Museum, Rick Walsh, Jeff Lamb, Jeremy Walters, Alan David, Dennis Hock, and Tim Griffin.

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