Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,720 pages of information and 247,131 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.
1952 Preliminary design work on the Orion began.
1955 First test run of the Bristol Engine Co's Orion two-spool turbo-prop engine.
Subsequent flight testing in a Britannia aircraft with a de Havilland propeller.
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