Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 164,322 pages of information and 246,083 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.
Note: This is a sub-section of Royal Aircraft Factory
R.A.F.25T Air-cooled cylinder with four valves designed for the Armstrong Siddeley Leopard.
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