Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 135,172 pages of information and 215,041 images on early companies, their products and the people who designed and built them.
of 1 Glengall Road, Old Kent Road, London SE
c.1864 Arthur Ross established the business
1907 Incorporated as a Limited Company.
1913 Arthur Ross died
1914 Specialities: Compositions for the prevention and removal of incrustation in Steam Boilers; also the "Hotchkiss" Automatic Circulator. 
1973 Garage Proprietors; the company was voluntarily wound up
A description of the Hotchkiss Circulator is available online