B-Series - PBX Installation and Maintenance

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

Date added: 11/15/2010
Date modified: 12/27/2013
Filesize: 267.35 kB
Downloads: 1745

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

B899.321 IA NY Notes on 551-type PBX Switchboards B899.321 IA NY Notes on 551-type PBX Switchboards

Date added: 02/13/2011
Date modified: 05/23/2011
Filesize: 168.79 kB
Downloads: 1352
Issue A, January 1937, NY Tel.  Contributed by Steve Cichorsky.

B899.321 IA NY Notes on 551-type PBX B899.321 IA NY Notes on 551-type PBX

Date added: 02/13/2011
Date modified: 02/13/2011
Filesize: 168.79 kB
Downloads: 1441
Issue A, January 1937, NY Tel. Contributed by Steve Cichorsky.

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

Date added: 02/13/2011
Date modified: 02/13/2011
Filesize: 306.96 kB
Downloads: 1156
Issue A, January 1938, NY Tel. Contributed by Steve Cichorsky.

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

Date added: 11/13/2010
Date modified: 11/13/2010
Filesize: 1.48 MB
Downloads: 1763
Oct 33. New York Telephone.

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

Date added: 03/02/2011
Date modified: 03/07/2013
Filesize: 1.26 MB
Downloads: 1737

April 1952.  Contributed by Steve Cichorsky.

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

Date added: 11/19/2009
Date modified: 03/07/2013
Filesize: 324.42 kB
Downloads: 914

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

B702.002 I1 B702.002 I1

Date added: 02/23/2012
Date modified: 02/23/2012
Filesize: 324.42 kB
Downloads: 1523
Contributed by Russ Kirk.

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

Date added: 11/13/2010
Date modified: 11/13/2010
Filesize: 15.84 kB
Downloads: 861
Oct 39.  New York Telephone. Covers the addition of a 1A thermistor to overcome a line lamp problem on intercept circuits.

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

Date added: 11/14/2010
Date modified: 11/14/2010
Filesize: 25.79 kB
Downloads: 1554
July 40. New York Telephone.  Covers dial mountings for PBX boards and dust covers to seal the space between the dial and dial mounting.

B699.034 IB NY PBX Operator Chairs B699.034 IB NY PBX Operator Chairs

Date added: 02/13/2011
Date modified: 02/13/2011
Filesize: 92.22 kB
Downloads: 1297
Issue B, March 1945, NY Tel.  Contributed by Steve Cichorsky.

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

Date added: 11/13/2010
Date modified: 11/13/2010
Filesize: 179.1 kB
Downloads: 992
May 25. New York Telephone. Originally Engineering Bulletin 444. Replaces #23 and #24 induction coil telephone sets.

B599.001 Glass - Rubber Jar Batteries Substitution B599.001 Glass - Rubber Jar Batteries Substitution

Date added: 12/18/2010
Date modified: 12/18/2010
Filesize: 114.76 kB
Downloads: 1622

B556.201 I2-se B556.201 I2-se

Date added: 12/03/2009
Date modified: 03/07/2013
Filesize: 2.1 MB
Downloads: 1148

756A PBX - Installation, Issue 2, 1960-04-01

B523.602 I1-se B523.602 I1-se

Date added: 12/03/2009
Date modified: 03/07/2013
Filesize: 140.3 kB
Downloads: 976

556A PBX (Manual Auxiliary for 756A PBX) - Tests and
Inspections At Time of Installation, Issue 1, 1960-04-01

B523.601 I1-se B523.601 I1-se

Date added: 12/03/2009
Date modified: 03/07/2013
Filesize: 458 kB
Downloads: 1034

556A PBX (Manual Auxiliary for 756A PBX) - Installation, Issue
1, 1960-04-01

B522.251 I2 505 and 506 PBX - Modification for Anti-Sidetone Connection B522.251 I2 505 and 506 PBX - Modification for Anti-Sidetone Connection

Date added: 12/02/2010
Date modified: 12/02/2010
Filesize: 207.93 kB
Downloads: 1717
Jan 38.

B522.231 i4 Oct51 - 507A, 507B PBX - Tests and Inspection B522.231 i4 Oct51 - 507A, 507B PBX - Tests and Inspection

Date added: 12/02/2010
Date modified: 11/05/2013
Filesize: 102.37 kB
Downloads: 1799

Issue 4, October 1951.

B522.225 i3 Jan60 - 507A, 507B PBX - Installation -se B522.225 i3 Jan60 - 507A, 507B PBX - Installation -se

Date added: 12/03/2009
Date modified: 11/05/2013
Filesize: 472.32 kB
Downloads: 1074

Issue 3, 1960-01-01

B522.225 i1 Oct51 - 507A, 507B PBX - Installation B522.225 i1 Oct51 - 507A, 507B PBX - Installation

Date added: 11/10/2010
Date modified: 11/05/2013
Filesize: 213.33 kB
Downloads: 984

Issue 1, 1951-10-01

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Thanks for new documents from David Gruger, Jeff Lamb, Walt Aydelotte, Dennis Hock, Steve Flocke, Paul Wills, Sam Etler, Fred Haynes, John Novack, Clint Gilliland, Steve Cichorsky and Karl Brose.

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