Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,110 pages of information and 233,634 images on early companies, their products and the people who designed and built them.
Richardson & Davidson of Paris
1832 Listed as engineers & mecaniciens, iron & brass founders, and steam engine makers at 4 rue de Thionville, La Villette. 
1838 Robert Davidson, engineer-mechanician, living at rue de Thionville, La Villette, was in partnership with Claude Brise, papermaker, of La Villette.
1841 French patent 207 to Alexandre (Alexander?) Richardson, Robert Davidson and Edward Glaude, of 4 rue de Thionville, La Villette, relating to preparation of wood for paper making.
1841 Listed as engineers & mecaniciens and iron & brass founders at 4 rue de Thionville, and steam engine makers at Pont Tournant, La Villette