You are here: Home > Browse the Library > BSPs (Bell System) > Most Popular > BSP Categories by later Division Number (by Doc #) > 020 - 199 Apparatus, Tools, Gauges, Test Eq, Power > 022 - 049 Divisions - Apparatus > 028 Division - Bells, Dials, Headsets, Sounders

Check out the TCI YouTube channel here. Please subscribe!

Check here for the 2024 Telephone Shows

Folder 028 Division - Bells, Dials, Headsets, Sounders

Autotransformers, Bells, Buzzers, Dials, Dial Adapters and Mountings, Gongs, Head Telephone Sets, Headsets, Potentiometers, Rheostats, Ringers, and Sounders

Documents

Toggle Title Date Download
pdf 028-000-000 ATT I66 Jun84 - Index Tl (624 downloads) Popular Download (pdf, 121 KB)
pdf 028-000-000 I33 (380 downloads) Popular Download (pdf, 142 KB)
pdf 028-000-000 i33 May74 - Index - Autotransformers ... (471 downloads) Popular Download (pdf, 88 KB)
pdf 028-000-000 I59 (403 downloads) Popular Download (pdf, 140 KB)
pdf 028-000-000 I66 (416 downloads) Popular Download (pdf, 121 KB)
pdf 028-000-000PT X1 IY (398 downloads) Popular Download (pdf, 66 KB)
pdf 028-101-701 I1D (454 downloads) Popular Download (pdf, 206 KB)
pdf 028-102-701 I5 (463 downloads) Popular Download (pdf, 352 KB)
pdf 028-112-701 I2D Dec62 4-Type Buzzers Requirements Adjusting Procedures (485 downloads) Popular Download (pdf, 212 KB)
pdf 028-113-701 I6D Aug60 8-Type Buzzers Requirements Adjusting Procedures (402 downloads) Popular Download (pdf, 256 KB)
pdf 028-113-920 IA Sep45 Installation 8A Buzzer 550 551 552 Type PBXs (456 downloads) Popular Download (pdf, 108 KB)
pdf 028-120-701 I1D (418 downloads) Popular Download (pdf, 185 KB)
pdf 028-130-701 I4D (463 downloads) Popular Download (pdf, 523 KB)
pdf 028-131-701 i1 Feb57 - Adjusting C4 and C5 Ringers (289 downloads) Popular Download (pdf, 817 KB)
pdf 028-140-701 I1D (458 downloads) Popular Download (pdf, 175 KB)
pdf 028-141-701 I1 (469 downloads) Popular Download (pdf, 122 KB)
pdf 028-300-501 I4 (455 downloads) Popular Download (pdf, 172 KB)
pdf 028-300-501 Tl (599 downloads) Popular Download (pdf, 172 KB)
pdf 028-300-701 i9D Aug60 - Dials, Adjusting (535 downloads) Popular Download (pdf, 1.42 MB)
pdf 028-300-801 I6 (384 downloads) Popular Download (pdf, 494 KB)

New User?

Read the articles under "Introduction" in the black menu bar above.

Recent Contributors

Thanks for new documents from 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.

Please send a file to add your name to this list!

Who's online

We have 254 guests online