pdf Dial Mechanisms Popular
1533 downloads
dial_mechanisms.pdf
POST OFFICE ENGINEERING DEPARTMENT.
TECHNICAL INSTRUCTIONS, XXV. (Provisional Issue.)
Automatic Telephone Exchange Systems.
Part 24A.-Apparatus-Description and Adjustment of Dial Mechanisms. DIAGRAMS.
(The Instruction relating to these Diagrams is issued separately.)
ENGINEER-IN-CHIEF'S OFFICE, GENERAL POST OFFICE, LONDON, E.C. 1., May, 1928.
New User?
Read the articles under "Introduction" in the black menu bar above.
Recent Contributors
Thanks for new documents from Ed Palazzo, 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!
30 Latest Additions
Who's online
We have 324 guests online