PHD: 'Specimens of the work of spiral and oval drawing machine'
Marshall's Geological Diagrams
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
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')"
Portsmouth Dockyard notebook
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
Catalogue of Useful Inventions for Cotton Spinners, Manufacturers and for all textile trades
An edition of 'The Photogram' journal vol. 2 no. 17
Letter from Thomas Christy to Henry Pease
Draft notation of the Difference Engine No. 2
Railway Signal Volume 3 (1885)
Notes and observations on ores and compounds
Small planing machine. Sheet 1.
Notation of the Analytical Engine
Cross-written letter from Eliza Greenhalgh and Cecile Margin, Vilvorde to Jane Young (nee Hackworth)
General plan of the Analytical Engine, half size.
Plan of operation and variable card counting apparatus. Suited to Plans 28 and 28a.
![Untitled. [Vertical positions of some of the wheels of Plan 28a. Notation 348 and 331 cycles]. Sheet 12 of 13.](https://coimages.sciencemuseumgroup.org.uk/221/221/large_thumbnail_bab_f_352_12_0001_vertical_positions_of_some_of_the_wheels_of_plan_28a_1845_oct.jpg)
Untitled. [Vertical positions of some of the wheels of Plan 28a. Notation 348 and 331 cycles]. Sheet 12 of 13.
Catalogue of the drawings of the New Analytical Engine.
History.
Sketches of the printing and stereotyping apparatus of the Analytical and Difference Engines. Superseded. Plan, elevation.
Skeleton of vertical motions for all operations. Right groups. Multiplication and division from 372 Sheet 1. Sheet 1 of 3.
Plan of mill, table wheels and carriage. Sheet 31.
Difference Engine index of parts.
Sign apparatus for Plan 28a. Plan, elevation.
Drawing entitled 'Sectional Drawing for a Steel Protected Cruiser for Colonial Defence to be named'
Mechanical notation
Platform raising apparatus. Sheet 33.
Notation of periods for right group. Sheet 5 of 5.
Motions of the stereotype frames
Index of Difference Engine No. 2.
![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]](https://coimages.sciencemuseumgroup.org.uk/83/229/large_thumbnail_19124_3.jpg)
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]
Untitled. A model of six cages was made from this drawing. Incomplete.
Notation of periods for the centre group.
Elevation of parts of the card counting apparatus for operation and variable cards.
An edition of 'The Photogram' journal vol. 5 no. 50
Cross-written letter from Kate Brewsher, Albion House to Jane Young (nee Hackworth)
Sketch of an apparatus for lifting the axes of the Analytical Engine. Plan, elevation.
Skeleton of vertical motions for all operations. Centre group. Sheet 3 of 3.
Motions of the printing apparatus
Notation 348 cycles 26 and 27. Sheet 7 of 13.
Rising platform and selectors for variable columns in store one to each half of store. Quarter size.
