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William Dent Priestman
Samuel Priestman
Harold Richardson
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Individual
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Publication of GB189723582ApublicationCriticalpatent/GB189723582A/en
23,582. Priestman, W. D., Priestman, S., and Richardson, H. Oct. 13. Drawings to Specification. Pistons.-The piston in a gas or oil engine is kept gas-tight by the water drawn into the cylinder for reducing the temperature.
GB189723582D1897-10-131897-10-13Improvements in the Working of Internal Combustion Engines.
ExpiredGB189723582A
(en)