Wongm's Rail Gallery » Track machines ยป Speno ultrasonic rail flaw detector

Sensor array deployed at the rear of the ultrasonic rail testing truck

In album: Speno ultrasonic rail flaw detector

Sensor array deployed at the rear of the ultrasonic rail testing truck

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Taken with a Canon EOS 7D
Date: 10 October 2015 09:36 AM
Exposure Time: 1/320 sec
Aperture Value: f/7.1
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