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  2 items
  Photographs

  Beckman Model 134 Conductivity Monitor

  • Undated
  • 1969-Dec

  • Photographer Arbogast, William, Illig, Russell
  • Subject Beckman Instruments, inc. Spinco Division, Scientific apparatus and instruments, Electric conductivity--Measurement, Beckman Instruments, inc.
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  Photographs

  Beckman Model CE Electroencephalograph

  • Undated

  Electroencephalographs are used to monitor and record electrical activity of the brain.

  • Photographer Arbogast, William
  • Subject Medical electronics--Equipment and supplies, Scientific apparatus and instruments, Electroencephalography, Beckman Instruments, inc.