You are here: Home > Browse the Library > BSPs (Bell System) > by Division Number > All Divisions > 020 - 199 Apparatus, Tools, Gauges, Test Eq, Power > 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 040-635-701 I3D Popular

By 310 downloads

Download (pdf, 396 KB)

040-635-701_I3D.pdf

040-635-701 I3D

Contributed by Russ Kirk.

pdf 040-640-701 I2D Popular

By 285 downloads

Download (pdf, 98 KB)

040-640-701_I2D.pdf

040-640-701 I2D

Contributed by Russ Kirk.

pdf 040-641-701 Add I1 Popular

By 291 downloads

Download (pdf, 20 KB)

040-641-701_Add_I1.pdf

040-641-701 Add I1

Contributed by Russ Kirk.

pdf 040-641-701 I1 Popular

By 293 downloads

Download (pdf, 463 KB)

040-641-701_I1.pdf

040-641-701 I1

Contributed by Russ Kirk.

pdf 040-641-801 I1 Popular

By 255 downloads

Download (pdf, 218 KB)

040-641-801_I1.pdf

040-641-801 I1

Contributed by Russ Kirk.

pdf 040-642-701 I1D Popular

By 264 downloads

Download (pdf, 340 KB)

040-642-701_I1D.pdf

040-642-701 I1D

Contributed by Russ Kirk.

pdf 040-643-701 I2D Popular

By 300 downloads

Download (pdf, 309 KB)

040-643-701_I2D.pdf

040-643-701 I2D

Contributed by Russ Kirk.

pdf 040-644-701 I1 Popular

By 284 downloads

Download (pdf, 159 KB)

040-644-701_I1.pdf

040-644-701 I1

Contributed by Russ Kirk.

pdf 040-645-701 I1 Popular

By 257 downloads

Download (pdf, 153 KB)

040-645-701_I1.pdf

040-645-701 I1

Contributed by Russ Kirk.

pdf 040-646-701 I3 Popular

By 271 downloads

Download (pdf, 287 KB)

040-646-701_I3.pdf

040-646-701 I3

Contributed by Russ Kirk.

pdf 040-647-701 I2 Popular

By 258 downloads

Download (pdf, 48 KB)

040-647-701_I2.pdf

040-647-701 I2

Contributed by Russ Kirk.

pdf 040-660-701 I1 Popular

By 305 downloads

Download (pdf, 58 KB)

040-660-701_I1.pdf

040-660-701 I1

Contributed by Russ Kirk.

pdf 040-661-701 I1 Popular

By 345 downloads

Download (pdf, 198 KB)

040-661-701_I1.pdf

040-661-701 I1

Contributed by Russ Kirk.

pdf 040-662-701 I1 Popular

By 424 downloads

Download (pdf, 279 KB)

040-662-701_I1.pdf

040-662-701 I1

KS-14499 Relays Requirements and Adjusting

pdf 040-663-701 I5 Popular

By 458 downloads

Download (pdf, 373 KB)

040-663-701_I5.pdf

040-663-701 I5

Relays and Flashing Circuits Used in Air Navigation

pdf 040-664-701 I3D Popular

By 325 downloads

Download (pdf, 662 KB)

040-664-701_I3D.pdf

040-664-701 I3D

Contributed by Russ Kirk.

pdf 040-664-811 I1 Popular

By 283 downloads

Download (pdf, 134 KB)

040-664-811_I1.pdf

040-664-811 I1

Contributed by Russ Kirk.

pdf 040-665-701 I1 Popular

By 253 downloads

Download (pdf, 616 KB)

040-665-701_I1.pdf

040-665-701 I1

Contributed by Russ Kirk.

pdf 040-666-701 Add I1 Popular

By 296 downloads

Download (pdf, 19 KB)

040-666-701_Add_I1.pdf

040-666-701 Add I1

Contributed by Russ Kirk.

pdf 040-666-701 I1 Popular

By 251 downloads

Download (pdf, 430 KB)

040-666-701_I1.pdf

040-666-701 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 304 guests online