You are here: Home > Browse the Library > BSPs (Bell System) > by Division Number > Apparatus, Tools > 022 - 049 Divisions - Apparatus > 040 Division - Relays

Check out the TCI YouTube channel here. Please subscribe!

Check here for the 2024 Telephone Shows

Folder 040 Division - Relays

Relays

Documents

pdf 040-934-701 I4 Popular

By 336 downloads

Download (pdf, 94 KB)

040-934-701_I4.pdf

040-934-701 I4

Contributed by Russ Kirk.

pdf 040-935-701 I2 Popular

By 317 downloads

Download (pdf, 68 KB)

040-935-701_I2.pdf

040-935-701 I2

Contributed by Russ Kirk.

pdf 040-936-701 I2 Popular

By 272 downloads

Download (pdf, 90 KB)

040-936-701_I2.pdf

040-936-701 I2

Contributed by Russ Kirk.

pdf 040-937-701 I8 Popular

By 329 downloads

Download (pdf, 469 KB)

040-937-701_I8.pdf

040-937-701 I8

Contributed by Russ Kirk.

pdf 040-937-701 I8 Dec75 Relays U Y UA Requirements Popular

By 440 downloads

Download (pdf, 864 KB)

040-937-701_I8_Dec75_Relays_U_Y_UA_Requirements.pdf

040-937-701 I8 Dec75 Relays U Y UA Requirements

Contributed by Sam Etler.

pdf 040-970-701 I1 Popular

By 328 downloads

Download (pdf, 92 KB)

040-970-701_I1.pdf

040-970-701 I1

Contributed by Russ Kirk.

New User?

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

Recent Contributors

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.

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

Who's online

We have 895 guests online