Research Inc Model 73221 Micro Data Trak Battery Power Supply 12006

  For sale is a Research, Inc. Model 73221 Micro Data-Trak Battery
  Power Supply.  Unit Serial No.06049628-031.  Assembly KD51241F.
  Schematic KC51246C.  NOTE:  This Battery Power Supply was removed
  from equipment in a dust-free, temperature controlled laboratory
  environment.

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