PHD: 'Specimens of the work of spiral and oval drawing machine'
Documents of Philip Hardwick regarding Euston Station
Marshall's Geological Diagrams
Perigal's Contributions to Kinematics
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"
Letter from Robert Stephenson to Dr Andrew Ure
Scrap book relating to Cornish tin mines
The book "The Christian Visitor, on the Four Gospels" with flyleaf inscription by Florence Nightingale
Gazeteer of Mines in Chili (Chile)
Bound manuscript volume entitled: "Diary of a Week in North Wales By Henry Sharrock"
Notation for Swedish Difference Engine
Three letters from Robert Stephenson to Captain Constantine Moorsom
Volumes entitled: "The natural history of British shells including figures and descriptions of all the species hitherto discover'd in Great Britain systematically arranged ('in the Linnean manner')"
Document book of the Anglo-Waldeck Mining Company
Melksham Turnpike Trust
Volume entitled: "Longstone Edge Mines, In Derbyshire"
Portsmouth Dockyard notebook
Volume entitled; "Specimens of turning by Henry Perrigal Esqr. and given by him to Jas. Wilcox"
Copy correspondence between John Wood, chairman of the Board of the Inland Revenue, and various parties regarding coffee and chicory, with reports
Archives relating to Engines used by Thomas Redfern
Volume entitled: "Arrete du Ministre des Travaux Publics portant reglement pour l'Ecole Nationale des Mines, Paris"
Account of the construction of the Morley Tunnel, Leeds Dewsbury & Manchester Railway
Volume entitled: "Commander's Complete Book. H.M. Ship Queen, 116 [guns]"
Books of signatures of visitors to the works of Sharp, Roberts & Co.
Bound volume entitled: "Watch, Quarter & Station Bill of H.M.S. Britannia"
Diary of John Watson, London & Greenwich Railway Co
The general plan of Mr. Babbage's Great Calculating Engine. Arrangement and rack, details, et cetera.
Catalogue of Useful Inventions for Cotton Spinners, Manufacturers and for all textile trades
Plan of the Analytical Engine without lettering.
Division. Sheet 9 of 15.
Diary of Alfred Kitching
Mill counting apparatus. Consecutive elevation.
Rough notes and sketches, including drawings of Babbage's game 'Tit Tat Toe'.
Essay by Robert Stephenson on the construction of the Rocket locomotive
Letter from Robert Stephenson to Edward Watkins Regarding Richard Trevithick and John Gerrard
Sketch of drilling machine. Details.
An edition of 'The Photogram' journal vol. 2 no. 17
Arrangement and rack of Plan 25
Drawing of Egyptian Railway Nos 995, 996, 1021, 1022
Analytical Engine (appears incomplete).
Railway Signal Volume 3 (1885)
Letter from Thomas Christy to Henry Pease
Cross-written letter from Prudence Hackworth, Albion House to Thomas Greener
Draft notation of the Difference Engine No. 2
Scribbling Book Volume V. Important matter of history in the Analytical Engine.
Notes and observations on ores and compounds
A letter from Brunel regarding his drawings
Mr William Fairbairn's Note Book