PHD: 'Specimens of the work of spiral and oval drawing machine'
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"
Scrap book relating to Cornish tin mines
Marshall's Geological Diagrams
Bound manuscript volume entitled: "Diary of a Week in North Wales By Henry Sharrock"
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')"
Letter from Robert Stephenson to Dr Andrew Ure
Catalogue of Useful Inventions for Cotton Spinners, Manufacturers and for all textile trades
Portsmouth Dockyard notebook
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
Letters patent granted to Thomas Clarke and John Varley for 'An improvement on the atmospheric system of propulsion which is also applicable to other motive purposes'
Science Museum Group Corporate Archive
An edition of 'The Photogram' journal vol. 2 no. 17
Foulsham and Banfield Ltd Collection
Notes and observations on ores and compounds
Letter from Florence Nightingale to Mrs Clarke
Railway Signal Volume 3 (1885)
Letter from Thomas Christy to Henry Pease
Folder of photos entitled '12 Wembley Snapshots'
Difference Engine index of parts.
Cross-written letter from Eliza Greenhalgh and Cecile Margin, Vilvorde to Jane Young (nee Hackworth)
Index of Difference Engine No. 2.
Notation of the Analytical Engine
Drawing of Tender for the Magnet Loco Engine, No. 108 Two end sections showing wheels, axle boxes and brake arrangement, [presumably for new tender-patent drawing]
History.
Skeleton of vertical motions for all operations. Right groups. Multiplication and division from 372 Sheet 1. Sheet 1 of 3.
Manuscript maps of the earth projected on a regular dodecahedron and on a regular tetrahedron
Letter from George Hudson to an unnamed correspondent
Maps of land and ports in Mexico, being surveys re Tehuantepec Railroad
Portrait photograph of William Henry Perkin
Engineering drawing: International Exhibition 1862; Machinery Department; Chimney for Boiler House
Letter from James Sowerby to Mrs Pratten
Way bill for coach journey, Tantivy to Devonport
Drawing of escapements for clocks
Letter from William George Armstrong, Elswick Engine Works, to R S Reid of Pelton, Chester-le-Street
Diaries of Peter John Margary, Railway Engineer
Map of the Horsham Petworth and Midhurst Railway
Index of Difference Engine No. 2
Plan of Difference Engine No. 2. Tracing of BAB A/164.
Digit counting apparatus on the two upper wheel selectors.
Store variable selectors. Superseding drawing No 2.
Motion for carrying the tens, plus and minus.
A draft drawing labelled 'Sheet 3', showing card adding axis, mill adding axis, figure wheels, warning bar and lever and tens lifting slide.
General plan and detail of the driving of the calculating part of Difference Engine No. 2. Tracing of BAB A/161.
End view and side elevation of driving and lifting apparatus.
Lifting apparatus by screw. Sheet 9.
