VINTAGE AERE HARWELL ATOMIC ENERGY DAWE 1408D SOUND LEVEL INDICATOR UNTESTED

Vintage Military Frequency Calibrator C.T. 432 / AR 58 - UNTESTED Spares/Repair

Tandy Realistic Sound Level Meter with Original Case Vintage Untested

Data download cable for CEL268 Sound Level Meter (C6590/1.5)

CEL- 328 sound level meter with CEL - 282

DT-8890 Digital Manometer Differential Air Pressure Meter Gauge ±5 psi Untested

AZ 8928 Digital Sound Level Meter Used untested

Integrating Sound level Meter CeL Model 175 - Tested - No Probe