From Arthur G Grimwade, p. 647: Thomas Ross, son of Bartholomew Ross of Wardour Street, Soho. Apprenticed to Thomas Rowe of Gutter Lane as silver polisher on 6 August 1794. Free 7 July 1802. His brother, Bartholomew, was apprenticed to him in 1804, when Thomas was of Hooper Street, Clerkenwell. First mark entered as plateworker on 10 November 1819. Address: 19 Green Street, Leicester Square. Second mark: 14 February 1821. Third mark: 11 November 1825. Moved to 39 Princes Street, Leicester Square on 16 November 1837.