Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,253 pages of information and 244,496 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.
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[[image:Im1867EnV23-p518.jpg|thumb| 1867. Marine governor.]] | [[image:Im1867EnV23-p518.jpg|thumb| 1867. Marine governor.]] | ||
1836 Joseph Farcot patented a variable expansion steam engine, the cutoff being controlled by the governor. | |||
1908 Aero engine | 1908 Aero engine | ||
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