Bell System Practices
Western Electric Telephones and Equipment
As scanned by Frank Harrell (AKA Cowboy Frank)
File Naming Conventions
Name
Size
Description
Parent Directory
-
1948 NPA map w. annotations 2007x1516, colorized 4b.pd-1.pdf
257K
1A1_Key_Telephone_System.pdf
2.5M
476-202-100 AECo Prepay Paystations – Descriptions.pdf
615K
4A speakerphone scmatics SD_69909_01_I8D1_4ASpkr.pdf
3.4M
500-110-100a.pdf
134K
ATTPhotos.pdf
2.5M
BSP_index_1979-02-i06.pdf
9.5M
Bell_Telephone_News_-_Chicago_TelCo_April_1920_Machine_Switching.pdf
12M
BookInventory.xlsx
10K
C38.851-SetsFor750-755_tl.pdf
217K
CableTesting-FaultLocating.pdf
2.1M
Document by 3M on testing cables
ElectricalPrinciples.pdf
6.4M
The Application Of Electricity And Magnetism To Transmission In The Telephone Plant, Section I (Bell System, 1923-1948)
Electricity.htm
159K
GTE_478-202-100_Magicall_Dialer.pdf
3.2M
Modular_Set_Intro_-_BLR.pdf
2.6M
Portion of the Bell Laboratories Record from September 1974 discussing modular cords
SD_69559_01_I11D_TieLine.pdf
3.0M
WE_Colors.pdf
36K
bellpatent174465.pdf
462K
dtmf_bell_labs.doc
4.6M
the_history_of_lincoln_telephone_and_telegraph_-_1955-small.pdf
16M
touchtone_hf.pdf
631K
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Site first posted January 30, 2012 Domain regesterd: Febuary 1, 2012