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Fall Auction 2023 Active (#862785)

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Vietnam Era Seismic Intrusion Detector AN/PSR/IA

  Lot # 081
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Lot # 081
System ID # 938850
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Start Date

Vietnam war period battery powered Seismic Intrusion Detector AN/PSR/IA with USMC issued instruction and maintenance booklet dated January 1969. The device could monitor up to 4 sensor loops with audible and visual warning of intruders. The unit includes the original headphones, sensors, canvas carrier, wired stake. as shown in the photos as well as in the instruction booklet. We have not tested the device but it appears to be in fine condition.