Archive of Troughton and Simms and family papers
- VI/TS
- fonds
- 1773-c 1950
Corporate records of the company 1820-1920; records of the Simms family 1815-1939; Troughton family records, 1773-1839; accounting and financial records 1858-1920; manufacturing records, 1780s-1901; sales records 1874-1923; publications
Troughton and Simms, scientific instrument manufacturers