pdf Dial Mechanisms Popular

By 1562 downloads

Download (pdf, 3.87 MB)

dial_mechanisms.pdf

Dial Mechanisms

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 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 627 guests online