Grace's Guide To British Industrial History

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Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,701 pages of information and 247,104 images on early companies, their products and the people who designed and built them.

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.

Hewitt Engines: Difference between revisions

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Latest revision as of 17:10, 12 July 2018

November 1909.

Internal combustion engine with piston valves, designed by J. M. Hewitt and made under licence by Davy Engineering

1909 May. Patent No. 5406 dated 5th March 1909 for carburettors, to W. J. Pearman and Hewitt Engines Ltd [1]

1909 November. Details of the Hewitt Piston Valve Engine.[2]

See Also

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Sources of Information

  1. ↑ Engineering 1910/05/20
  2. ↑ The Autocar 1909/11/13
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