pdf A128.820 Toll Switchboard No. 3C or 3CL, Issue 1, April 1950 - Charts Popular

By 1779 downloads

Download (pdf, 4.07 MB)

3C_3CL_SC-OS-RM.pdf

A128.820 Toll Switchboard No. 3C or 3CL, Issue 1, April 1950 - Charts

Sequence charts, operational sketches and associated reference material. (Central Office Maintenance)

New User?

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

Recent Contributors

Thanks for new documents from Jeff Lamb, Chuck Hensley, John Novack, Paul Fassbender, Clint Gilliland, Steve Cichorsky, John Gilbert, Chuck Batson, Alan David, Steve Flocke, Paul Wills, Dave Gruger, Jim Prather, John Stancliff and Sam Etler.

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

Who's online

We have 1913 guests online