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The Cedar Knoll Telephone and Telegraph Company - Graphic designed by Herbert Schwarz

A Reconstruction of a Typical Pennsylvania Railroad Wire Chief's Office along with other examples of telephone technology.

Visit the Switchroom

See what the Standard Railroad of the World did for a telephone and telegraph plant.

A Tribute to the PRR Telephone and Telegraph Department

Would you believe that there were two operating telephone companies in Philadelphia, Pennsylvania until September 1945? Find out more at:


If you like what you saw here,
be sure to visit these other sites.
Railroad Signaling and Communications at

In Memory of Jeffrey A. Seidel - June 11, 1956 - August 12, 2014
Craftsman - Railroader - Switcher - Friend and Mentor to Many
The ALS Association Greater Philadelphia Chapter
Rich White's Railroad Signaling Site at
Sam Hallas' Telecomms Page at
Phil McCarter's Telephone Switch Restorations

If you're interested in such stuff,
be sure to check out these organizations:

Telephone Collectors International at:

The Telecommunications Heritage Group at:

Refer any questions to

Revised 08/02/17