TC - Telephone Central
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Telephone central office sets
- TC-1 Switchboard, multiple position, 30 lines per position
- TC-2 Switchboard, single position, 20 lines per position
- TC-3
- TC-4 Switchboard, single position, 40 lines per position
- TC-5 Switchboard, multiple position
- TC-6
- TC-7
- TC-8
- TC-9
- TC-10 Switchboard, multiple position, 30 lines per position.
- TC-11
- TC-12 Switchboard, single position, 20 lines per position
- TC-13
- TC-14
- TC-15
- TC-16
- TC-17
- TC-18
- TC-19
- TC-20 Switchboard, multiple position, 30 lines per position
- TC-22
- TC-22
- TC-23
- TC-24
- TC-25
- TC-26
- TC-27
- TC-28
- TC-29
- TC-30