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1989 ITT Practices - Multibutton Telephones - Part 1

157 pages. Covers rotary and tone desk key telephones. Contributed by Mike Neale. Scanned by Steve Cichorsky. OCR and bookmarks by Paul Fassbender.

50-565-100 i1, Jun82 - 6-Button, Rotary, Key - General Desc.
50-565-101 i2, Jul84 - 6-Button, Rotary, Key - Replacement Parts
50-565-102 i3, Jun86 - 6-Button, Rotary, Key - Circuit Labels

50-565-103 i1, Jun82 - 6-Button, Pushbutton, Key - General Description
50-565-104 i2, Apr84 - 6-Button, Pushbutton, Key - Replacement Parts
50-565-105 i2, Jun86 - 6-Button, Pushbutton, Key - Circuit Labels

50-576-100 i1, Jun82 - 3-Line, Rotary - General Description
50-576-101 i2, Jul84 - 3-Line, Rotary - Replacement Parts
50-576-102 i3, Jun86 - 3-Line, Rotary - Circuit Labels

50-830-100 i1, Jul82 - 10-Button, Rotary - General Description
50-830-101 i2, Jul84 - 10-Button, Rotary - Replacement Parts
50-830-102 i2, Jun86 - 10-Button, Rotary - Circuit Labels

50-830-103 i1, Jul82 - 10-Button, Pushbutton - General Description
50-830-104 i2, Jul84 - 10-Button, Pushbutton - Replacement Parts
50-830-105 i2, Jun86 - 10-Button, Pushbutton - Circuit Labels

50-831-100 i1, Jul82 - 20-Button, Rotary - General Description
50-831-101 i2, Jul84 - 20-Button, Rotary - Replacement Parts
50-831-102 i2, Jun86 - 20-Button, Rotary - Circuit Labels

50-831-103 i1, Jul82 - 20-Button, Pushbutton - General Description

-- Continued in Part 2 --

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