1. Petition to His Majesty in Council for vacating a Patent granted to Mr John Dollond deceased for making Object Glasses for Refracting Telescopes. June 1764. P.C. 1/7/94.
2. (n ) Admon. Francis Troughton Feb. 1773. Prob. 6/149.
3. Will ofJohn Troughton proved Jan. 1788. Prob. 10/3067.
4. Will of Catherine Troughton proved Sept. 1794. Prob. 11/1250/478.
5. Will ofjohn Troughton proved July 1807. Prob. 10/3808.