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BC-312-D ; MILITARY U.S. (ID = 1973813) Receiver-C
BC-312-D ; MILITARY U.S. (ID = 2054443) Receiver-C BC-312-D ; MILITARY U.S. (ID = 2054444) Receiver-C
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BC-312-D ; MILITARY U.S. (ID = 2054443) Receiver-C
MILITARY U.S.: BC-312-D [Receiver-C] ID = 2054443 1400x933
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For model BC-312-D, MILITARY U.S. (different makers for same model):
Image taken from polish online auction portal Auction number: 6627543127
Country:  United States of America (USA)
Manufacturer / Brand:  MILITARY U.S. (different makers for same model)
Year: 1936–1960 Category: Commercial Receiver (may include amateur bands)
Valves / Tubes 9: 6C5 6C5 6F6 6K7 6K7 6K7 6K7 6L7 6R7
Main principle Superhet with RF-stage
Wave bands Wave Bands given in the notes.
Power type and voltage Storage and/or dry batteries / 12 - 14 Volt
Loudspeaker - For headphones or amp.
Power out
from Model: BC-312-D - MILITARY U.S. different makers
Material Metal case
Shape Miscellaneous shapes - described under notes.
Dimensions (WHD) 460 x 240 x 182 mm / 18.1 x 9.4 x 7.2 inch
Notes The desk top transceiver BC-312-D has a Dynamotor DM-21, a quarz filter but not a squelch. It was designed at Signal Corps Laboratories Fort Monmouth, New Jersey and at least made by Farnsworth Television & Radio Corporation, Indiana. Frequency range is 1.5 - 18 MHz AM / CW.

There is a bi range of BC-312: BC-312-A, BC-312-C, BC-312-D, BC-312-E, BC-312-F, BC-312-G, BC-312-J, BC-312-HX, BC-312-NX, BC-312-L, BC-312-M and BC-312-N. BC-312-HX and BC-312-NX work with 24 - 28 V DC with Dynamotor DM-21CX, the others with 12 to 14 volts. - with Dynamotor DM-21. Each of those models have slight differences like Quarz-Filter, Noise balancing system, tube 12A6 instead of 6F6 etc. They were mainly used for airbore and army purposes, later often found in HAM radio stations. There was also a confirmed production run in France after WW2. See also the "General page for BC-312".
Collectors' prices  

Model page created by Ernst Erb. See "Data change" for further contributors.

All listed radios etc. from MILITARY U.S. (different makers for same model)
Here you find 338 models, 291 with images and 165 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.