- Troughton & Simms
Troughton & Simms was a British instrument-making firm, formed when
Edward Troughton in his old age took on William Simms as a partner.In
1922 it merged withT. Cooke & Sons to formCooke, Troughton & Simms .Previously, Troughton had been a sole proprietor, and before that he was in partnership with his brother John.
References
* [http://adsabs.harvard.edu//full/seri/MNRAS/0003//0000149.000.html Obituary of Edward Troughton: MNRAS 3 (1836) 149]
* [http://adsabs.harvard.edu//full/seri/MNRAS/0067//0000237.000.html Obituary of William Simms, junior (nephew of original): MNRAS 67 (1907) 237]* [http://adsabs.harvard.edu//full/seri/Obs../0045//0000403.000.html Merger with T. Cooke & Sons: Obs 45 (1922) 403]
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