Browse: Top Level > Texts > Bell System Drawings
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5xb (6)
101a (2)
101b (2)
102a (1)
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26030 (2)
95277 (1)
Ani (1)
Announcement (1)
AT&T (167)
Bell System (173)
Bell Telephone Laboratories (1)
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Circuit Description (170)
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Panel Switch (167)
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Circuit Description (170)
Coin (2)
Connections Museum (1)
Crossbar (3)
Distributor (2)
Key (1)
KS-16765 (1)
Maintenance (2)
Manual (1)
Milliwatt (1)
Panel (1)
Panel Switch (167)
Relay (3)
Scanner (2)
Sender Test Frame (1)
Step (5)
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Telephone Switching (166)
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Ttl (3)
Western Electric (1)
Step-by-step (1)
Subscriber's Senders (1)
Subscriber Sender Link (1)
Telephone (2)
Telephone Switching (166)
Telephotograph (2)
Test (2)
Test Equipment (1)
Test Trunk (1)
Toll (3)
Trouble Card Recorder (1)
Trouble Recorder (1)
Trunk (4)
Ttl (3)
Western Electric (1)