James V-Meter Mk I

© Brooke Clarke 2012

James V-Meter
                  Mk I Front
James V-Meter
                  Mk I Rear Panel



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Model C-4902 James Electronics Inc, Chicago, Illinois 60618
This tester is for measuring the physical properties of concrete by exciting a transducer with a short high voltage pulse and measuring the propagation time of the ultrasonic pulse.
So far I haven't been able to find out much about it.

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Audio
General Radio Sound Measurement Instruments

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page created 16 Jan 2012.