Grace's Guide To British Industrial History

Registered UK Charity (No. 115342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 163,415 pages of information and 245,908 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.

Valveless Engine Co

From Graces Guide
November 1907. Valveless engine.

of Blackheath

1906 January. Test of a car fitted with the two-stroke Valveless engine are complete.[1]

1906 February. Reports on a car with a Valveless motor.[2]

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