Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,968 pages of information and 225,312 images on early companies, their products and the people who designed and built them.
of Monitor Works, Wallsend-on-Tyne
of Kings Road, Wallsend-on-Tyne
1937 Manufacturers of flow indicators and alarms. "Monitor" Patent Safety Device.