US Army Signal Corps Telephone equipment
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Telephone equipment
Telephones | Telephone Switchboards | Central Office Sets | Test Equipment |
EE-8 EE-91 EE-92 EE-93 TP-3 TP-6 TP-9 |
BD-9 BD-11 BD-14 BD-71 BD-72 SB-5 |
TC-1 TC-2 TC-4 TC-5 TC-10 TC-12 TC-20 |
BE-70 |
EE-91 Wall mounted telephone box; common battery; ringer; hand generator for signalling magneto lines; antisidetone circuit; Handset TS-12-( ) used with but not part of EE-91; transmitter current obtained from central office battery. |
EE-92 Telephone box EE-91 mounted in wooden box for outdoor use. |
EE-93 Telephone box EE-91 mounted in metal box for outdoor use. |
TP-3 Field telephone; weight 8 lbs; leather or canvas carrying case; sound powered handset TS-10-( ); ringer; generator for signalling magneto switchboards. Used where conditions make batteryless operation necessary. |
TP-6 Combined hand telephone set; weight 6 lbs; common battery; ringer; dial (optional); antisidetone circuit. |
BD-9
Switchboard,
single position, 4 lines. |
BD-11
Switchboard,
single position, 12 lines. |
BD-14
Switchboard,
single position, 40 lines. |
SB-5
Switchboard,
single position, 6 lines. |
TC-1
Switchboard,
multiple position, 30 lines per position. Components: |
TC-2
Switchboard,
single position, 20 lines per position. Components: |
TC-5
Switchboard,
multiple position. Components: |
TC-10
Switchboard,
multiple position, 30 lines per position. Components: |
TC-20
Switchboard,
multiple position, 30 lines per position. Components: |