pdf 20apr Bell Telephone News - Chicago TelCo - Machine Switching Ocr R Popular

By 2683 downloads

Download (pdf, 5.32 MB)

20apr_Bell_Telephone_News_-_Chicago_TelCo_Machine_Switching_ocr_r.pdf

20apr Bell Telephone News - Chicago TelCo - Machine Switching Ocr R

April 1920. Chicago Telephone Company. Feature article on Machine Switching in the Bell System.  Contributed by Steve Cichorsky. OCR by Clint Gilliland.

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 731 guests online