- 1Extracts From a Ledger in the Tehidy Office (TREVF/3/1)
1765-1813, item - 2Notes of Captain Andrew Vivian’s Recollections of Richard Trevithick (TREVF/3/8)
28 March 1858, item - 3Article by A. De Laveleye Titled Origine et Développements des Chemins de Fer (TREVF/5/6)
29 November 1857, item - 4Letter from Thomas Smith to Francis Trevithick Regarding First Application of Steam Engine to Threshing (TREVF/4/114)
26 March 1870, item - 5Article Titled The Highest Railway in the World (TREVF/5/7)
29 November 1857, item - 6Collection of letters and accounts relating to Richard Trevithick's patent on a portable high pressure steam engine (MS/1944)
1803-1808, fonds - 7Statement of accounts between Messrs Trevithick and Co and Samuel Homfray (MS/1944/04)
December 1803-July 1807, item
