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Inside a Derby lightweight

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An official image showing the equipment operation control position on DB975008, part of the ultrasonic test train, circa March 1971.

Although they can be barely seen in the poor quality image, there are floor windows on either side of the sliding seats. The operator could monitor the operation of the trolley underneath and its ultrasonic probes, the signals being produced and the recording camera function.


Derby Lightweight
975008

British Railways Board
312

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