-40%

SEISMITRON ZA-4 Power Meter Sensor, Cable, Attenuator

$ 525.36

Availability: 100 in stock
  • MPN: ZA-4
  • Brand: Walter Nold Co
  • mining museum artifact item: amp pre-amp stereo
  • Bundle Listing: Yes
  • All returns accepted: ReturnsNotAccepted
  • Country/Region of Manufacture: United States
  • Condition: estate fresh I do not know how to test this or how it works?

    Description

    Walter Nold Co.
    SEISMITRON ZA-4 Power Meter Sensor, Cable, Attenuator
    Vintage Circa the 1960's.
    more photos available upon request
    I was told this was used to measure the safety in old mines and structures.
    estate fresh I do not know how to test this or how it works so selling as is?
    These are very rare, try and find another one!
    any questions please ask.