Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,259 pages of information and 244,500 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.
1858 Alfred Knight made a steam engine indicator and a watchman's detector incorporating an 8-day clock with paper recordings which were exhibited to the Inst of Mech Engineers[1]
Presumably of Henry Knight
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