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Folder B-Series - PBX Installation and Maintenance

Documents

Toggle Title Date Download
pdf B204.448 I2-se (2147 downloads) Popular Download (pdf, 417 KB)
pdf B251.001 I4-se (1982 downloads) Popular Download (pdf, 253 KB)
pdf B256.222 I2-se (1997 downloads) Popular Download (pdf, 575 KB)
pdf B303.011.1 IA NY Cordless PBX Switchboard for Civil Defense Units (2225 downloads) Popular Download (pdf, 206 KB)
pdf B432.045 I1D Stromberg Carlson 319 and 320 keys (2202 downloads) Popular Download (pdf, 899 KB)
pdf B502.009 i2 Jun59 - Making and Removing Wrapped Connections (1212 downloads) Popular Download (pdf, 1.60 MB)
pdf B502.016 I2 Placing Switchboard Lamps (2279 downloads) Popular Download (pdf, 712 KB)
pdf B502.093 I1-se (1897 downloads) Popular Download (pdf, 1.29 MB)
pdf B502.201 I1 Cording Operator's Dials and Mountings (2203 downloads) Popular Download (pdf, 412 KB)
pdf B502.305 I1 Aug30 - Mounting and Aligning Miscellaneous Apparatus (2000 downloads) Popular Download (pdf, 351 KB)
pdf B502.321 I2 Mounting Handset Hangers (2222 downloads) Popular Download (pdf, 925 KB)
pdf B503.305 I1 Jul30 - Cleaning and Polishing Plugs (2088 downloads) Popular Download (pdf, 260 KB)
pdf B522.215 I1 505 B and C, 506 A and B PBX - Installation (2252 downloads) Popular Download (pdf, 264 KB)
pdf B522.225 i1 Oct51 - 507A, 507B PBX - Installation (1940 downloads) Popular Download (pdf, 213 KB)
pdf B522.225 i3 Jan60 - 507A, 507B PBX - Installation -se (2075 downloads) Popular Download (pdf, 472 KB)
pdf B522.231 i4 Oct51 - 507A, 507B PBX - Tests and Inspection (2336 downloads) Popular Download (pdf, 102 KB)
pdf B522.251 I2 505 and 506 PBX - Modification for Anti-Sidetone Connection (2039 downloads) Popular Download (pdf, 207 KB)
pdf B523.601 I1-se (2097 downloads) Popular Download (pdf, 458 KB)
pdf B523.602 I1-se (2177 downloads) Popular Download (pdf, 140 KB)
pdf B556.201 I2-se (1968 downloads) Popular Download (pdf, 2.10 MB)

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Recent Contributors

Thanks for new documents from 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.

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