TC - Telephone Central
Telephone central office sets
- TC-1 Switchboard, multiple position, 30 lines per position
- TC-2 Switchboard, single position, 20 lines per position
- TC-3 Telegraph central office
- TC-4 Switchboard, single position, 40 lines per position
- TC-5 Switchboard, multiple position
- TC-6
- TC-7
- TC-8 radio direction finding central
- TC-9 radio intercept central
- 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 Portable filter center (SCS-5)
- TC-16 Reperforator, teletypewriter
- TC-17 Reperforator, teletypewriter
- TC-18 Repeater set (termanal)
- TC-19 Repeater set (Intermediate)
- TC-20 Switchboard, multiple position, 30 lines per position
- TC-21 Telephone terminal set
- TC-22 Telegraph Termanal set, (Carrier
- TC-23 Repeater set
- TC-24 Ringer set
- TC-25
- TC-26
- TC-27
- TC-28
- TC-29 telephone repeater set
- TC-30
- TC-31
- TC-32
- TC-33 Converter set
- TC-34
- TC-35
- TC-36
- TC-37 repeater set
- TC-38
- TC-39
- TC-40