pdf Chapius, The Strowger System Popular

By 1998 downloads

Download (pdf, 910 KB)

strowger_from_chapius_book.pdf

Chapius, The Strowger System

Extract from Chapius book including: Beginnings of Automatic Telephony, A. B. Strowger's Invention.

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!

Who's online

We have 916 guests online