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 247,104 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.
Machinist and clock-maker
1838 Patented watchman's clock
Presumably by 1858 this was the business of Alfred Knight who 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]
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