Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 142,850 pages of information and 228,791 images on early companies, their products and the people who designed and built them.
c.1790 Whilst working in Shropshire, Adam Heslop invented a form of atmospheric engine which competed with the Watt engine for many years in the North of England. The engine had a "hot" (i.e. above atmospheric pressure) cylinder at one end of the beam and a condensing cylinder at the other. Several winding engines were built in Northumberland and Cumberland Received support from his employer William Reynolds
1790 Heslop patented the winding engine