Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,257 pages of information and 244,498 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.
Stourton House, Dacre St., 39, Victoria Street, London, SW1.
1907 Description and illustration of an instrument, which they describe as a micrometer gauge, for accurate setting of dividers for marking off dimensions, based on a metal disc engraved with a spiral of 1/20" pitch [1]
1908 Slide rules
1937 Drawing-office materials. "Ariel" Erasing Machine. "Hall-Mark" Electric Copier. "R C" Tracing Cloths [2]
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