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"
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
Melksham Turnpike Trust
Portsmouth Dockyard notebook
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')"
Volume entitled: "Arrete du Ministre des Travaux Publics portant reglement pour l'Ecole Nationale des Mines, Paris"
Archives relating to Engines used by Thomas Redfern
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
Division. Sheet 9 of 15.
Diary of Alfred Kitching
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
Plan of left half of middle group for General Plan 28.
Plan of operation and variable card counting apparatus. Suited to Plans 28 and 28a.
Vertical movements of axes ordered by left barrel for multiplication compiled in part from a genealogical notation. Sheet 3 of 3.
A letter from Brunel recommending "practical men"
Difference Engine index of parts.
Division. Sheet 5 of 15.
Skeleton of vertical motions for all operations. Right groups. Multiplication and division from 372 Sheet 1. Sheet 1 of 3.
![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.
Notation of the Analytical Engine
General plan of the Analytical Engine, half size.
Vertical positions of the wheels of Plan 28. Sheet 6 of 23.
Verticals of the counting apparatus barrel number 1. Sheet 8 of 9.
Motions of the stereotype frames
Pages 67 and 68 of Alfred Kitching's diary
Pages 305 and 306 of Alfred Kitching's diary
Small planing machine. Sheet 1.
Vertical positions of the wheels of Plan 28. Sheet 13 of 23.
Sketches of the printing and stereotyping apparatus of the Analytical and Difference Engines. Superseded. Plan, elevation.
Mechanical notation
Vertical positions of the wheels of Plan 28. Sheet 7 of 23.
Catalogue of the drawings of the New Analytical Engine.
First sketch of all the parts in plan of the right half to middle group of General Plan 28. Plan, elevation.
Sign apparatus for Plan 28a. Plan, elevation.
Notation of periods for right group. Sheet 5 of 5.
Pages 9 and 10 of Alfred Kitching's diary
Platform raising apparatus. Sheet 33.
Untitled. A model of six cages was made from this drawing. Incomplete.
Elevation of parts of middle group drawn in plan on No. 127.
![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)