Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,931 pages of information and 225,312 images on early companies, their products and the people who designed and built them.
of East Lane, Bedmond, near Watford
1940 Built a small number of vertical four-stroke water-cooled petrol engines 
1967 Patent. Abstract of GB1117624 1,117,624. Sawing. K. F. RUSHTON. 12 June, 1967 [10 March, 1966], No. 10629/66. Heading B5L. A friction cutting saw comprises a circular disc 2 of metal or other suitable material formed on its periphery with a series of alternately oppositely inclined slots 3 which together form a zig-zag formation, the slots intersecting at the edges of the disc and forming between them a series of spaced cutting faces 4 of substantially half diamond shape. The disc is inwardly tapered from its outer periphery towards a parallel part 6 against which impeller shaped fans 5 are disposed to effect cooling of the saw.