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Steam recording meter from dynamometer Car

Steam recording meter from dynamometer Car
4 0 c m
actual image size: 25cm x 32cm


Steam recording meter from dynamometer Car no 902502, NER, 1906. Detail of meter for recording the amount of steam used per hour by a locomotive, from a dynamometer car built for the North Eastern Railway (NER) in 1906. This dynamometer was used on the record-breaking run of Sir Nigel Gresley's 'Mallard' locomotive, in 1938. A dynamometer car containing technical apparatus enabled tests to be made on railway journeys under varying conditions, obtaining information relating to speed, acceleration, superheater and smokebox temperatures.

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