Folder BSP Categories by later Division Number (by Doc #)
9-digit all numeric codes, used beginning in the early 1960s.
Categories
Folder 000 - 019 Indexes, General Information (by Doc #)
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Folder 200 - 289 Divisions - Switching Systems
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Folder 400 - 449 Divisions - Radio
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Folder 460 - 489 Wiring, Special Services
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Folder 530 - 559 Private Branch Exchanges
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Folder 570 - 598 Teletypewriter, Data Services
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Folder 620 - 649 Outside Plant
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Folder 660 - 984 Vehicles, Supplies, Gen'l
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Test Center Operation, Plant Assignment, Motor Vehicles, Supplies, Business Information Systems, Buildings, Engineering Planning, Equipment Engineering Administration, Common Language, Equipment Design, Transmission Engineering and Data, Outside Plant Engineering, Radio Engineering and General Descriptive Information.
Folder 950 - 993 Division (8 Digits Series)
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Recent Contributors
Thanks for new documents from Ed Palazzo, Bruce Patterson, Jon Kolger, Paul Ivester, Len Hicken, Paul Fassbender, Fred Haynes, Kurt Rudolph, Wade ("Kellogg KITT"), the Connections Museum, Rick Walsh, Jeff Lamb, Jeremy Walters, Mark Cuccia, Alan David, Harry Joseph, Charlie Terry, Karl Brose, Dennis Hock, Tim Griffin, Remco Enthoven, and Steve Cichorsky.
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