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SCR-211-(*) BC-221-(*) (general)

SCR-211-BC-221-; MILITARY U.S. (ID = 57650) Equipment
 
SCR-211-BC-221-; MILITARY U.S. (ID = 57651) Equipment
 
SCR-211-BC-221-; MILITARY U.S. (ID = 57652) Equipment
 
SCR-211-BC-221-; MILITARY U.S. (ID = 260447) Equipment
 
SCR-211-BC-221-; MILITARY U.S. (ID = 419552) Equipment
 
SCR-211-BC-221-; MILITARY U.S. (ID = 260448) Equipment
SCR-211-BC-221-; MILITARY U.S. (ID = 719245) Equipment SCR-211-BC-221-; MILITARY U.S. (ID = 719246) Equipment
SCR-211-BC-221-; MILITARY U.S. (ID = 719247) Equipment SCR-211-BC-221-; MILITARY U.S. (ID = 719248) Equipment
SCR-211-BC-221-; MILITARY U.S. (ID = 719249) Equipment SCR-211-BC-221-; MILITARY U.S. (ID = 719801) Equipment
SCR-211-BC-221-; MILITARY U.S. (ID = 722697) Equipment SCR-211-BC-221-; MILITARY U.S. (ID = 722698) Equipment
SCR-211-BC-221-; MILITARY U.S. (ID = 722699) Equipment SCR-211-BC-221-; MILITARY U.S. (ID = 989533) Equipment
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SCR-211-BC-221-; MILITARY U.S. (ID = 719245) Equipment
MILITARY U.S.: SCR-211-BC-221- [Equipment] ID = 719245 750x577
Select picture or schematic to display from thumbnails on the right and click for download.
For model SCR-211-(*) BC-221-(*) (general), MILITARY U.S. (different makers for same model):
From Technical Manual TM 11-300
 
Country:  United States of America (USA)
Manufacturer / Brand:  MILITARY U.S. (different makers for same model)
Year: 1941–1945 Category: Service- or Lab Equipment
Valves / Tubes 3: VT-167 VT-116 VT-116
Wave bands Wave Bands given in the notes.
Details
Power type and voltage Dry Batteries / 135/6 Volt
Loudspeaker - only for Earphone!
Power out
from Radiomuseum.org Model: SCR-211-BC-221- - MILITARY U.S. different makers
Material Various materials
Shape Portable set > 8 inch (also usable without mains)
Dimensions (WHD) 10.5 x 15 x 9.75 inch / 267 x 381 x 248 mm
Notes Precision heterodyne frequency meter designed to measure or radiate radio-frequency impulses between 125 kHz and 20 MHz. Portable, self-contained, used mainly to calibrate field radio receivers and transmitters by direct comparison with the crystal-calibrated variable frequency oscillator of the instrument. Frequency readings provided by a calibration book. In 1941-1945, there were 25 different BC-221 models produced with suffix letters A, B, C, D, E, F, J, K, L, M, N, O, P, Q, R, T, AA, AC, AE, AF, AG, AH, AJ, AK and AL. Each model letter denoted a different military order and(or) different manufacturer - Allen D. Cardwell, Bendix Radio, Philco, Rauland or Zenith Radio. All of the BC-221 models were similar as far as basic operation was concerned, but there were many differences in the mechanical arrangement of the cabinets and controls as well as in electrical circuit design. Supplied with wooden or aluminum-alloy metal cabinet. Required P-18, P-20 or HS-30 headset. Sample Dimensions, Valves and Weight are given for model BC-221-AK of Philco in a wooden cabinet. Please refer to the individual BC-221 model pages to add your images and to post forum entries and questions.
Net weight (2.2 lb = 1 kg) 36 lb (36 lb 0 oz) / 16.344 kg
Collectors' prices  
Mentioned in -- Original-techn. papers. (- - -)
Literature/Schematics (1) TM 11-300 (20 July 1944)

Model page created by a member from D. 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.




  
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