C Series - Station Installation and Maintenance - TCI Library

C43.151 i2 Jan60 - Auxiliary Signals ID

paul-f@verizon.net (Paul F) — Sun, 17 May 2026 14:38:22 -0700

KS-16301 and KS-8000 series - Bells, Horns and Chimes. Contributed by Jeremy Walters.

C30.002 i6 May55 - Transmission Zoning

paul-f@verizon.net (Paul F) — Sun, 22 Mar 2026 16:39:15 -0700

1.01 This section is reissued to provide the installer and repairman with information regarding the type of transmitter and receiver associated with the proper hand set, that should be used in each of the transmission zones. This section has been revised to incorporate information covering the transmission zoning of F4 and F5 hand sets equipped with T1 transmitter units and U1 receiver units.

Contributed by Paul Fassbender.

C38.003 i2 Jan58 - Transmission Zoning

paul-f@verizon.net (Paul F) — Fri, 20 Mar 2026 15:43:34 -0700

Contributed by Dennis Hock. OCR by Paul Fassbender.

C38.003 i3 Mar59 - Transmission Zoning

paul-f@verizon.net (Paul F) — Thu, 19 Mar 2026 14:59:23 -0700

Renumbered to 500-110-100 issue 3,March 1959. The Transmission Zoning chart shows a 300-type set literally getting a shot-in-the-arm when a battery is added.
Contributed by Paul Fassbender.

C38.003 i3 Mar59 - Transmission Zoning - black & white

paul-f@verizon.net (Paul F) — Thu, 19 Mar 2026 14:58:10 -0700

Contributed by Paul Fassbender.

C71.553.00 i1 Feb60 - 1A 1B Code Calling Systems - Description and Use

paul-f@verizon.net (Paul F) — Sun, 04 Jan 2026 15:22:49 -0800

Contributed by Paul Fassbender.

C71.553.01 i1 Feb60 - 1A 1B Code Calling Systems - Maintenance

paul-f@verizon.net (Paul F) — Sun, 04 Jan 2026 15:16:39 -0800

Contributed by Paul Fassbender.

C71.553.02 i1 Feb60 - 1A 1B Code Calling Systems - Connections

paul-f@verizon.net (Paul F) — Sun, 04 Jan 2026 15:14:14 -0800

Contributed by Paul Fassbender.

WR C63.373 Addendum i1 Sep42 - Desk Stand Connections CB

paul-f@verizon.net (Paul F) — Mon, 12 May 2025 19:48:51 -0700

2 pages. Connecting a sidetone common battery desk stand to an anti-sidetone subscriber set for sidetone use in all classes of service and for anti-sidetone use on individual lines without extensions. (...while observing wartime restrictions.) Contributed by David Willingham. Processed by Karl Brose and Paul Fassbender.

Check other issues of C63.373 and addenda for other options.

C30.011 ADD iA, May54, NY Tel - Colored Station Sets

r.h.enthoven@infc.info (Remco E) — Sat, 06 Apr 2024 14:02:44 -0700

Updates C30.011 issue 6. New York Telephone, issue A. Contributed by Karl Brose

C38.670.2 Add iA Mar60 - Michigan Bell - 700-Series Inst

paul-f@verizon.net (Paul F) — Wed, 24 May 2023 19:31:23 -0700

Addendum by Michigan Bell including, among other things, installation of Princess sets 701B in manual exchanges without an apparatus blank. Contributed by Dennis Hock, and referenced in his January 2023 Singing Wires article.

C57.205 I1 Jan 1952, Mobile Telephone Service, Mobile Station Installation Methods

r.h.enthoven@infc.info (Remco E) — Sun, 25 Jul 2021 14:42:38 -0700

Contributed by Remco Enthoven

From the collection of the JKL Museum of Telephony

C41.106 i1 Sep45 - Magneto Stns - Leich

paul-f@verizon.net (Paul F) — Mon, 22 Mar 2021 19:16:32 -0700

Contributed by Steve Cichorsky. OCR by Jeff Lamb.

C18.071.00 i1 Jun60 - 61-type Filter ID

paul-f@verizon.net (Paul F) — Mon, 23 Nov 2020 13:46:49 -0800

Contributed by Steve Cichorsky.

C18.071.01 i1 Oct60 - 61-type Filters Inst Maint

paul-f@verizon.net (Paul F) — Mon, 23 Nov 2020 12:56:15 -0800

Contributed by Steve Cichorsky.

C53.159 i2 Jan55 - 1A1 KTS Maint less pp. 30-31

paul-f@verizon.net (Paul F) — Mon, 23 Nov 2020 12:51:50 -0800

Contributed by Steve Cichorsky.

C53.903 BT of Canada NE iA Dec56 - SENIOR MAGNAPHONE

paul-f@verizon.net (Paul F) — Sat, 07 Nov 2020 15:35:38 -0800

Contributed by Steve Cichorsky.

C32.506 i1 Dec45 - SC 1243A Telephone Set

paul-f@verizon.net (Paul F) — Tue, 02 Jun 2020 15:20:52 -0700

With Pacific Tel addendum iA, 2-7-46. BSP for Stromberg Carlson 1243, 1945. Contributed and scanned by Steve Cichorsky. OCR by Paul Fassbender.

C41.106 i1 Sep45 - Magneto Stations Leich Set

paul-f@verizon.net (Paul F) — Tue, 02 Jun 2020 15:17:51 -0700

Contributed and scanned by Steve Cichorsky. OCR by Jeff Lamb.

C42.104 i2 Apr53 - Coin Collectors Multi-Slot Types - Supplies tci ocr

paul-f@verizon.net (Paul F) — Tue, 02 Jun 2020 15:17:48 -0700

Contributed and scanned by Steve Cichorsky. OCR by Paul Fassbender.