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Notes from Books on South America and the Steam Engine

Copy Letter from Richard Edmonds to Thomas R. Edmonds Regarding Richard Trevithick

Notes and Sketch Relating to the Cugnot Engine and the Conservatoire des Arts et Metiers

Copy Letter from Edward Watkins to Thomas R. Edmonds Relating to Papers of Richard Trevithick

Drawing of Tram Engine 4 3/4 Inches Diameter of Cylinder 3 Feet Stroke

Tracing of a Cornish Pumping Engine at Pool Mine

Copy Letter from Robert Stephenson to Edward Watkins Regarding Richard Trevithick an John Gerrard

Photograph of the Design for a Gilded National Monument

Sale Particulars of Hydraulic Engines at Alport Mines

Account of a Visit to a Convent Regarding Water Wheels at the Mint

Notes Based on Anne Ellis’ Recollections of Father Richard Trevithick

Copy Letter from Richard Trevithick to Richard Edmonds Regarding a Patent Application

Notes from Meetings of the Proprietors of Hill Sough Mines

Notes Regarding Richard Trevithick’s Work at Dolcoath Mines

Manuscript of the Amount of Coal Needed to Make Iron by Richard Trevithick

Photograph of Market Jew Street in Penzance

Letter from Samuel Bennetts to Francis Trevithick Regarding William Roberts' Engine

Postcard Featuring a Photograph of Richard Trevithick's House at Penponds

Notes of the Baptism Dates of Children of Richard and Anne Trevithick

Photograph of Richard Trevithick’s High Pressure Steam Whim in a Cornish Mine

Notes Relating to John and William Penn of Penn and Sons

Notes on Mr. Braithwaite’s Low Pressure Engine and the Rocket

Notes Headed R. Trevithick Accompanying Memoranda and Letters

Notes Relating to Various Mechanisms with Measurements

Address slip for G.J.V. Hardy

Notes Regarding Mr. Hall and a Crocodile and the Relationship Between Richard Trevithick and Robert Stephenson

Notes Relating to Dolcoath Mines Account Books and Payments

Notes of Names and Dates of Birth and Death

Letter from Francis Trevithick to Mr. John Enys Regarding a Welsh Locomotive

Notes on Various Publications Relating to the History of Locomotive Development

Copy Letter from Richard Trevithick to John Gerrard Regarding a Patent Application

Copy Letter from John Gerrard to Mr. Gibson Regarding Costa Rica

Letter from William Walker to Francis Trevithick Concerning Alterations to the Proof Sheets of the Memoir

Letter from William Walker to Francis Trevithick Regarding the Progress of Richard Trevithick's Picture

Letter from Charles Manley to Nevill Northey Burnard Regarding the Busts of Richard Trevithick

Letter from William Walker Regarding Richard Trevithick's Portrait

Extract from The Practical Mechanic and Engineer Relating to Richard Trevithick and Methyr Tydvil Railroad

Note of Recipients of Richard Trevithick's Busts Commissioned by Francis Trevithick

Extract from Publication Wood on Railroads Describing an Engine Created by Richard Trevithick

Letter from Thomas Ellis to Francis Trevithick Regarding the Penydarren Locomotive

Letter from Thomas Ellis to Francis Trevithick Regarding a Lithograph of the Penydarren Locomotive

Letter from Thomas Ellis to Francis Trevithick Regarding the Penydarren Locomotive

Letter from Jane Trevithick to Mr. Richard Edmonds Concerning a Petition to the House of Commons

Copy Letter from Robert Shand to George Reith Regarding John Gerrard

Letter from Richard Edmonds to Mr. William Brown

Letter from Richard Edmonds to Mr. William Brown Regarding a Tribute to Richard Trevithick

Copy Letter from William Brown to Richard Edmonds Regarding Penydarren Locomotive

Letter from Anne Ellis to Francis Trevithick Regarding Richard Trevithick's Early Life

Letter from Anne Ellis to Francis Trevithick Regarding Penponds in Camborne

Letter from Richard Edmonds Senior to Francis Trevithick Regarding Papers Sent to Edward Watkins