Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 142,963 pages of information and 228,875 images on early companies, their products and the people who designed and built them.
of Werndee Hall, Stanger Road, South Norwood, SE25
1910 H. Tinsley exhibited the Orling capillary syphon recorder, a potentiometer and a wattmeter, at the Physical Society's Exhibition
1937 Scientific instrument makers.
1960 or after presumably became Tinsley Telcon