- 1Papers relating to Francis Trevithick's biography of his father Richard Trevithick (TREVF)
1746 - 1979, fonds - 2Plans, Maps and Sketches (TREVF/1)
1746 - c 1839, series - 3Photographs (TREVF/2)
19th century - 20th century, series - 4Research Notes and Papers (TREVF/3)
1765 - 1877, series - 5Correspondence (TREVF/4)
1800 - 21 January 1875, series - 6Printed Materials (TREVF/5)
1839 - 1971, series - 7Tracing of a Cornish Pumping Engine at Pool Mine (TREVF/1/1)
1746 - late 19th century, item - 8Tracing of Valve Gear from Minerals, Mines and Mining in Cornwall (TREVF/1/2)
1778, item - 9Drawing of Tram Engine 4 3/4 Inches Diameter of Cylinder 3 Feet Stroke (TREVF/1/3)
December 1803, item - 10Drawing of a Section of the River with Shaft and Driftway (TREVF/1/4)
30 March 1809, item - 11Tracing of a Plan of a Steam Boat from Rees' Cyclopaedia (TREVF/1/5)
1819 - late 19th century, item - 12Tracing of Richard Trevithick’s Water Pressure Engine at Alport Mines (TREVF/1/6)
1803 - late 19th century, item - 13Tracing of Trevithick’s Temporary Forcer from Gregory’s Machinery (TREVF/1/7)
1806 - late 19th century, item - 14Copies of a Map of Costa Rica (TREVF/1/8)
Late 1820s - 1830s, item - 15Plan Titled Fardier au Vapeur par Cugnot by Monsieur Trescar (TREVF/1/9)
Late 18th century - 19th century, item
