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ID = 43387
Tube type:  COUNTING AND MEASUREMENT, general 
Identical to Ramberg_tube
Similar Tubes
Multiple differences or of other kind:
  5734 ; 6МХ1С
Successor Tubes SD-759A  

Description Vacuum-tube accelerometer sensor. The tube was devised around the late 1946 by Walter Ramberg at U.S. National Bureau of Standards. The tube pickup was a twin diode with common cathode and two plates, one for each cathode side. The plates were elastically mounted, so to be deflected for perpendicular accelerations applied to the octal base. The natural frequency of this sensor was around 160Hz. 
Information source -- Original-techn. papers.   Electronics - February 1951, pgs. 121, 122
-- Original-techn. papers.   Radio-Electronic Engineering - Feb. 1951


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