pdf Kellogg 500-Style Telephones, ITT Ringing Frequency Chart Popular

By 4820 downloads

Download (pdf, 15 KB)

ITT_500-type_sets_Ringer_Frequencies_tl_tci.pdf

Kellogg 500-Style Telephones, ITT Ringing Frequency Chart

Kellogg 500 Style Telephones, Frequency Ringer Codes

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 196 guests online