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National Gas and Oil Engine Co.

Pictures from the company history of The National Gas & Oil Engine Co. Ltd

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Mirrlees Blackstone Company

Pictures from the company history of Mirrlees Blackstone

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Rustons - Vulcan Foundry

Pictures from the company history of The Vulcan Foundry

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3296 viewsDuring 1906, the Admiralty specification required lightweight diesel engines for the propulsion of pinnaces and Mirrlees designed a four cylinder unit of 120 BHP at 400 r.p.m. These engines had bed plates of aluminium and columns of manganese bronze. The piston diameter was 9 and three quarter inches with a stroke of 12 inches.