Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,386 pages of information and 233,851 images on early companies, their products and the people who designed and built them.
of All Saint's Street Works, Bolton, Lancs. Also referred to as Taylor's
formerly Caywood and Taylor
1937 Pressure indicators, non-ferrous castings. "Alzorine" Castings and Fittings. "Okill" Cylinder Pressure Indicators. 
1939 See Aircraft Industry Suppliers