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Folder B-Series - PBX Installation and Maintenance

Documents

pdf B599.001 Glass - Rubber Jar Batteries Substitution Popular

Published on 17 December 2010 By Anonymous 1647 downloads

Download (pdf, 114 KB)

B599.001 Glass - Rubber Jar Batteries Substitution.pdf

pdf B599.081 NY PBXs - #63 Induction Coil Tel Set Popular

Published on 13 November 2010 By Anonymous 1335 downloads

Download (pdf, 179 KB)

B599.081_May25_EB444_PBX_No63InductionCoilTelSet.pdf

B599.081 NY PBXs - #63 Induction Coil Tel Set

May 25. New York Telephone. Originally Engineering Bulletin 444. Replaces #23 and #24 induction coil telephone sets.

pdf B699.034 IB NY PBX Operator Chairs Popular

Published on 13 February 2011 By Anonymous 1592 downloads

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B699.034_NY_IB_Mar45_Operators Chairs.pdf

Issue B, March 1945, NY Tel. Contributed by Steve Cichorsky.

pdf B699.035 IB NY Dial Mountings 6000G and 6000J Popular

Published on 14 November 2010 By Anonymous 1588 downloads

Download (pdf, 25 KB)

B699.035_IB_NY_Jul40_DialMountings_6000G_6000J.pdf

B699.035 IB NY Dial Mountings 6000G and 6000J

July 40. New York Telephone. Covers dial mountings for PBX boards and dust covers to seal the space between the dial and dial mounting.

pdf B699.162 IA NY No. 10 Key Turret Popular

Published on 13 November 2010 By Anonymous 1289 downloads

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B699.162_IA_NY_Oct39_No 10KeyTurret.pdf

Oct 39. New York Telephone. Covers the addition of a 1A thermistor to overcome a line lamp problem on intercept circuits.

pdf B702.002 I1 Popular

Published on 23 February 2012 By Anonymous 1738 downloads

Download (pdf, 324 KB)

B702.002_I1.pdf

Contributed by Russ Kirk.

pdf B702.002, I1, Jun27, 35-C Test Set BSP Popular

Published on 19 November 2009 By Anonymous 1453 downloads

Download (pdf, 324 KB)

35-C Test Set BSP.pdf

Issue 1, Jun27, June 1927? - Tests relays and other apparatus on a current flow basis.

pdf B823.105 I2 No. 555 PBX - Description Popular

Published on 02 March 2011 By Anonymous 2123 downloads

Download (pdf, 1.26 MB)

B823.105_I1_Apr52_555_PBX_Description.pdf

April 1952. Contributed by Steve Cichorsky.

pdf B899.181 IA NY No. 10 Key Turret - Description Popular

Published on 13 November 2010 By Anonymous 1723 downloads

Download (pdf, 1.48 MB)

B899.181_IA_NY_Oct33_No10KeyTurret_Description.pdf

B899.181 IA NY No. 10 Key Turret - Description

Oct 33. New York Telephone.

pdf B899.182 NY IA No 80B, 200B Order Turret Popular

Published on 13 February 2011 By Anonymous 1462 downloads

Download (pdf, 306 KB)

B899.182_NY_IA_Jan38_80B_200B_OrderTurretsDesc.pdf

B899.182 NY IA No 80B, 200B Order Turret

Issue A, January 1938, NY Tel. Contributed by Steve Cichorsky.

pdf B899.321 iA Jan37 - NY Tel - Notes on 551-type PBX Switchboards Popular

Published on 13 February 2011 Modified on 15 April 2018 By Anonymous 1612 downloads

Download (pdf, 168 KB)

B899.321_NY_IA_Jan37_Notes551PBX_Switchboards.pdf

B899.321 iA Jan37 - NY Tel - Notes on 551-type PBX Switchboards

Issue A, January 1937, NY Tel. Manhattan. Contributed by Steve Cichorsky.

pdf WR-B502.531 i3 Jan44 - Substitutes for Shellac Popular

Published on 15 November 2010 Modified on 07 August 2020 By Paul F 1658 downloads

Download (pdf, 267 KB)

WR-B502.531_I3_Jan44_SubstitutesForShellac.pdf

Issue 3, January 44. War Related info. Also coded WR-B502.535 and WR-B502.541. Contributed by Steve Cichorsky.

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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.

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