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 247,103 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 Rolls-Royce
The Viper is a British turbojet engine developed and produced by Armstrong Siddeley Motors and then by its successor companies Bristol Siddeley Engines and Rolls-Royce.
It entered service in 1953 and remained in use with the Royal Air Force, powering its Dominie T1 navigation training aircraft until January 2011
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