Folder ITT Practices

Technical Practices from ITT, Kellogg and Cortelco

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pdf Cortelco 50-500-103 I3 Mar89 - 2500-series Description Popular

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Cortelco_50-500-103_I3_Mar89_2500_Series_Desc.pdf

Cortelco 50-500-103 I3 Mar89 - 2500-series Description
Single-line pushbutton dial desk telephones, General Description - 2500 and 2502 sets. Contributed by Steve Cichorsky.

pdf Cortelco 50-500-104 I3 Mar89 - 2500-series Replacement Parts Popular

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Cortelco_50-500-104_I3_Mar89_2500_Series_Replacement_Parts.pdf

Cortelco 50-500-104 I3 Mar89 - 2500-series Replacement Parts
Single-line pushbutton dial desk telephones - Replacement Parts. Contributed by Steve Cichorsky.

pdf Cortelco 50-500-105 I4 Mar89 - 2500-series Circuit Labels Popular

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Cortelco_50-500-105_I4_Mar89_2500_Series_Circuit_Labels.pdf

Cortelco 50-500-105 I4 Mar89 - 2500-series Circuit Labels
Single-line pushbutton dial desk telephones - Circuit Labels.  Shows wiring diagrams for variations of 2500 and 2502 sets.  Contributed by Steve Cichorsky.

pdf ITT 55-032-117 Types 32 And 36 Dials Ocr R Popular

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ITT_55-032-117_Types_32_and_36_Dials_ocr_r.pdf

ITT 55-032-117 Types 32 And 36 Dials Ocr R

Contributed by Steve Cichorsky.  OCR by Clint Gilliland.

pdf ITT 55-037-117 Type-37 Dial Ocr R Popular

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ITT_55-037-117_Type-37_Dial_ocr_r.pdf

ITT 55-037-117 Type-37 Dial Ocr R

Contributed by Steve Cichorsky.  OCR by Clint Gilliland.

pdf ITT 55-042-117 Type-42 Dial Ocr R Popular

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ITT_55-042-117_Type-42_Dial_ocr_r.pdf

ITT 55-042-117 Type-42 Dial Ocr R

Contributed by Steve Cichorsky.  OCR by Clint Gilliland.

pdf ITT 55-046-117 46-Type Dials Ocr R Popular

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ITT_55-046-117_46-Type_Dials_ocr_r.pdf

ITT 55-046-117 46-Type Dials Ocr R

Contributed by Steve Cichorsky.  OCR by Clint Gilliland.

pdf ITT 55-063-117 63-Type Dials Ocr R Popular

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ITT_55-063-117_63-Type_Dials_ocr_r.pdf

ITT 55-063-117 63-Type Dials Ocr R

Contributed by Steve Cichorsky.  OCR by Clint Gilliland.

pdf ITT 55-087-117 Model 186087 Auto Dialer Ocr R Popular

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ITT_55-087-117_Model_186087_Auto_Dialer_ocr_r.pdf

ITT 55-087-117 Model 186087 Auto Dialer Ocr R

Contributed by Steve Cichorsky.  OCR by Clint Gilliland.

pdf ITT 55-478-117 Model 188478 Dial Ocr R Popular

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ITT_55-478-117_Model_188478_Dial_ocr_r.pdf

ITT 55-478-117 Model 188478 Dial Ocr R

Contributed by Steve Cichorsky.  OCR by Clint Gilliland.

pdf ITT TIMM 242.11 Mar74 Types 136 138 Compact Ringers Ocr R Popular

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ITT_TIMM_242.11_Mar74_Types_136_138_Compact_Ringers_ocr_r.pdf

ITT TIMM 242.11 Mar74 Types 136 138 Compact Ringers Ocr R

Previously numbered M2C-RIN/136. Like the Western E1-type ringers. Contributed by Steve Cichorsky.  OCR by Clint Gilliland.

pdf ITT-55-462-117 185462 Dial-and Network Assembly Ocr R Popular

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ITT-55-462-117_185462_Dial-and_Network_Assembly_ocr_r.pdf

ITT-55-462-117 185462 Dial-and Network Assembly Ocr R

Contributed by Steve Cichorsky.  OCR by Clint Gilliland.

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Recent Contributors

Thanks for new documents from Jeff Lamb, Chuck Hensley, John Novack, Paul Fassbender, Clint Gilliland, Steve Cichorsky, John Gilbert, Chuck Batson, Alan David, Steve Flocke, Paul Wills, Dave Gruger, Jim Prather, John Stancliff and Sam Etler.

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