Collection of letters signed by scientists, physicians and engineers, generally on scientific or professional matters
Collection of letters and accounts relating to Richard Trevithick's patent on a portable high pressure steam engine
Digital copy of manuscript of the engineer John Urpeth Rastrick, entitled: Common Place Book, produced in Shropshire
Manuscript entitled: "Catalogue of the Apparatus of Philosophical Instruments, in the Collection of Her Late Majesty Queen Charlotte, at the Observatory at Richmond in Surrey"
"Notes taken during a course of chemical lectures given at Paris in the Winter of 1802-3 by Monsieur Vauquelin"
Drawing of forcing pump proposed to be fixed in the salt water well in His Majesty's Dockyard at Portsmouth
Drawing depicting elevation of the engine and longitudinary section of the engine house for an atmospherical steam engine
Ground plan and elevation of a building for the machinery used for making block and pullies at Dunsterville Manufactory
Sketch of a pair of small shears for cutting the edges of copper sheets used for the sheating of ships
Lithograph depicting east view of the cast iron bridge under construction over the River Wear at Sunderland