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Boys' gas calorimeter, c 1897-1920.

Boys' gas calorimeter, c 1897-1920.
4 0 c m
actual image size: 27cm x 32cm


Sir Charles Vernon Boys (1855-1944) designed this apparatus for determining the calorific value of coal gas. It was adopted as the standard method of testing gas in London and was later used throughout Britain. Made by A Gallenkamp and Co.

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© Science Museum / Science & Society Picture Library

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