Grace's Guide
British Industrial History
Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 146,028 pages of information and 231,556 images on early companies, their products and the people who designed and built them.
Thompson, Ritchie and Co
From Graces Guide
of Winchester House, Old Broad-street, London, Electrical and General Engineers.
c.1883 Thomas Thompson was outside manager for 6 months
1884 Robert Ord Ritchie became a partner
Sometime after 1883 Robert Thorburn Turnbull became a partner
1889 Dissolution of the Partnership between Alfred Thompson (ed: guess this is the particular person), Robert Ord Ritchie, and Robert Thorburn Turnbull, carrying on business as Thompson, Ritchie, and Co., at Winchester House, Old Broad-street, in the city of London, Electrical and General Engineers, so far as regards Robert Ord Ritchie.[1]
1889 Dissolution of the Partnership between Alfred Thompson and Robert Thorburn Turnbull, carrying on business as Thompson, Ritchie, and Co., at Connaught-Mansions, Victoria-street, in the city of Westminster, Electrical and General Engineers; the business carried on by Robert Thorburn Turnbull[2]
1935 Was in voluntary liquidation[3]