Folder C30 - C31: General Apparatus, Subsets, Components

Documents

Toggle Title Date Download
pdf C31.120.2 iA Apr61 RTC - Stromberg Carlson 1543 Desk Tel (1429 downloads) Popular Download (pdf, 8.69 MB)
pdf C31.122 Addendum I1 Jun54 Subscriber Sets Cold Cathode Gas-Filled Vacuum Tubes (1054 downloads) Popular Download (pdf, 667 KB)
pdf C31.122-i4-ColdCathTubes Tl (1000 downloads) Popular Download (pdf, 1022 KB)
pdf C31.122-i6-Subsets-with-Cold-Cathode-Tubes Tl (1090 downloads) Popular Download (pdf, 223 KB)
pdf C31.123 i1 Mar40 - Subscriber Sets - Conversion to Anti-Sidetone (964 downloads) Popular Download (pdf, 78 KB)
pdf C31.124 I1 Subscriber Sets 685, 686 & 687 (1269 downloads) Popular Download (pdf, 2.88 MB)
pdf C31.124-i2-Subsets-685-686-687 Tl (901 downloads) Popular Download (pdf, 298 KB)
pdf C31.145 I1 Sep32 Subscriber Sets Indoor Locations Installation (1172 downloads) Popular Download (pdf, 4.92 MB)
pdf C31.145 ~ C63.202 Subscriber And Telephone Sets Location - Installation (886 downloads) Popular Download (pdf, 284 KB)
pdf C31.145 ~ C63.202 Subscriber And Telephone Sets Location - Installation-1 (951 downloads) Popular Download (pdf, 293 KB)
pdf C31.148-i2-392-592-Subscriber-Sets-Installation Tl (1074 downloads) Popular Download (pdf, 186 KB)
pdf C31.149-i1-531C-Subscriber-Set Tl (874 downloads) Popular Download (pdf, 79 KB)
pdf C31.150-i1-531C-Subscriber-Set-Maintenance Tl (809 downloads) Popular Download (pdf, 58 KB)
pdf C31.204-i1-Ringers-and-Loud-Ringing-Bells Tl (986 downloads) Popular Download (pdf, 226 KB)
pdf C31.205-i3-Numbered-Type-Ringers Tl (1121 downloads) Popular Download (pdf, 661 KB)
pdf C31.207 I2 C-type Ringers - Maintenance (1501 downloads) Popular Download (pdf, 319 KB)
pdf C31.207-i3-C-Type-Ringers-Maintenance Tl (1052 downloads) Popular Download (pdf, 668 KB)
pdf C31.208 I1 Jun54 B Ringers Maintenance (991 downloads) Popular Download (pdf, 2.50 MB)
pdf C31.208-i2-B-Type-Ringers-Maintenance Tl (1080 downloads) Popular Download (pdf, 619 KB)
pdf C31.221-i1-Ringing-Bridge-Limitations-Multiparty-Lines Tl (956 downloads) Popular Download (pdf, 177 KB)

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 1570 guests online