Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,129 pages of information and 223,036 images on early companies, their products and the people who designed and built them.
of Ashchurch, Gloucestershire
Subsidiary of Dowty
1952 the Dowty hydraulic pit prop, an important advance in mining engineering.
1960 Advert for Roofmaster fully mechanised hydraulic roof support by Dowty Mining Equipment
1968 Queen's Award to Industry for Technological Innovation