Folder C30 - C31: General Apparatus, Subsets, Components

Documents

pdf C31.122 Addendum I1 Jun54 Subscriber Sets Cold Cathode Gas-Filled Vacuum Tubes Popular

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C31.122_I1_Jun54_Subscriber_Sets_Cold_Cathode_Gas-Filled_Vacuum_Tubes.pdf

C31.122 Addendum I1 Jun54 Subscriber Sets Cold Cathode Gas-Filled Vacuum Tubes

Addendum to issue 5.  Contributed by Chuck Hensley.

pdf C31.122-i4-ColdCathTubes Tl Popular

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C31.122-i4-ColdCathTubes_tl.pdf

pdf C31.122-i6-Subsets-with-Cold-Cathode-Tubes Tl Popular

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C31.122-i6-Subsets-with-Cold-Cathode-Tubes_tl.pdf

pdf C31.123 i1 Mar40 - Subscriber Sets - Conversion to Anti-Sidetone Popular

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C31.123-i1-Subscriber-Sets-Conversion-to-Anti-Sidetone_tl.pdf

C31.123 i1 Mar40 - Subscriber Sets - Conversion to Anti-Sidetone

Uses a D-158595 Apparatus Unit with 101A Induction Coil.

pdf C31.124 I1 Subscriber Sets 685, 686 & 687 Popular

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C31.124_I1_Mar55_SubscriberSets_685_686_687.pdf

C31.124 I1 Subscriber Sets 685, 686 & 687
March 55. Description, Use and Installation. 500-series components. 425B network.

pdf C31.124-i2-Subsets-685-686-687 Tl Popular

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C31.124-i2-Subsets-685-686-687_tl.pdf

pdf C31.145 I1 Sep32 Subscriber Sets Indoor Locations Installation Popular

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C31.145_I1_Sep32_Subscriber_Sets_Indoor_Locations_Installation.pdf

C31.145 I1 Sep32 Subscriber Sets Indoor Locations Installation
Contributed by Chuck Hensley.

pdf C31.145 ~ C63.202 Subscriber And Telephone Sets Location - Installation Popular

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C31.145 ~ C63.202 Subscriber and Telephone Sets Location - Installation.pdf

pdf C31.145 ~ C63.202 Subscriber And Telephone Sets Location - Installation-1 Popular

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C31.145 ~ C63.202 Subscriber and Telephone Sets Location - Installation-1.pdf

pdf C31.148-i2-392-592-Subscriber-Sets-Installation Tl Popular

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C31.148-i2-392-592-Subscriber-Sets-Installation_tl.pdf

pdf C31.149-i1-531C-Subscriber-Set Tl Popular

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C31.149-i1-531C-Subscriber-Set_tl.pdf

pdf C31.150-i1-531C-Subscriber-Set-Maintenance Tl Popular

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C31.150-i1-531C-Subscriber-Set-Maintenance_tl.pdf

pdf C31.204-i1-Ringers-and-Loud-Ringing-Bells Tl Popular

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C31.204-i1-Ringers-and-Loud-Ringing-Bells_tl.pdf

C31.204-i1-Ringers-and-Loud-Ringing-Bells Tl

General Maintenance & Ringing Tests (Including general methods for obtaining ring-back)

pdf C31.205-i3-Numbered-Type-Ringers Tl Popular

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C31.205-i3-Numbered-Type-Ringers_tl.pdf

C31.205-i3-Numbered-Type-Ringers Tl

Maintenance

pdf C31.207 I2 C-type Ringers - Maintenance Popular

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C31.207_I2_Jun54_CTypeRingers_Maint.pdf

C31.207 I2 C-type Ringers - Maintenance
Issue 2, June 1954.  Contributed by Steve Cichorsky.

pdf C31.207-i3-C-Type-Ringers-Maintenance Tl Popular

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C31.207-i3-C-Type-Ringers-Maintenance_tl.pdf

pdf C31.208 I1 Jun54 B Ringers Maintenance Popular

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C31.208_I1_Jun54_B_Ringers_Maintenance.pdf

C31.208 I1 Jun54 B Ringers Maintenance
Contributed by Chuck Hensley.

pdf C31.208-i2-B-Type-Ringers-Maintenance Tl Popular

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C31.208-i2-B-Type-Ringers-Maintenance _tl.pdf

pdf C31.221-i1-Ringing-Bridge-Limitations-Multiparty-Lines Tl Popular

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C31.221-i1-Ringing-Bridge-Limitations-Multiparty-Lines_tl.pdf

pdf C31.301 I1 Feb33 Condensers Description Use Popular

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C31.301_I1_Feb33_Condensers_Description_Use.pdf

C31.301 I1 Feb33 Condensers Description Use
Contributed by Chuck Hensley.

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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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