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Friez Instrument 594 Recording Hygrometer/Thermograph

$125.00
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SKU:
9611
Condition:
Used
Friez Instrument 594  Recording Hygrometer/Thermograph

Out of stock

  • Recording Thermometer/Hygrometer
  • Records temperature (from 10-110F) and relative humidity (from 0-100%) on a drum mounted chart
  • Wind-up Clock mechanism may need repair
  • Friez/Bendix Aviation Corp

    Familiar unit seen in many museums. Records temperature (from 10-110F) and relative humidity (from 0-100%) on a drum mounted chart. Both scales can be fully calibrated by adjusting the mechanical linkages. This unit runs a bit slow, about 1/2 day on the week, so the clock mechanism may need lubrication.

    We have ink, but no original charts. There are photocopies of the lightly used original 7 day chart that was found with the unit.

    Unit is 12 wide, 9 high, 6 deep.