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 167,775 pages of information and 247,161 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

From Graces Guide
Revision as of 20:04, 28 January 2012 by JohnD (talk | contribs)
November 1909.

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

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


See Also

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Sources of Information

  1. ↑ 'Engineering' 20th May 1910
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