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"
Volume entitled; "Specimens of turning by Henry Perrigal Esqr. and given by him to Jas. Wilcox"
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.
Sketch of drilling machine. Details.
An edition of 'The Photogram' journal vol. 2 no. 17
Arrangement and rack of Plan 25
Railway Signal Volume 3 (1885)
Scribbling Book Volume V. Important matter of history in the Analytical Engine.
A letter from Brunel regarding his drawings
Plan 27. Linear arrangement with letter notations.
Plan of left half of middle group for General Plan 28.
Small planing machine. Sheet 1.
Sketch elevation of the driving and directive of the Analytical Engine.
Plan of mill, table wheels and carriage. Sheet 31.
A letter from Brunel recommending "practical men"
Drawing entitled 'Sectional Drawing for a Steel Protected Cruiser for Colonial Defence to be named'
General plan of the Analytical Engine, half size.
Working Drawing for Nos 273, 274
Notation of the Analytical Engine
Vertical movements of axes ordered by left barrel for multiplication compiled in part from a genealogical notation. Sheet 3 of 3.
Plan of operation and variable card counting apparatus. Suited to Plans 28 and 28a.
Multiplication. 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.
Skeleton of vertical motions for all operations. Right groups. Multiplication and division from 372 Sheet 1. Sheet 1 of 3.
Sketch of central wheel and principal framing. Plan, elevation.
Plan No. 24. Arrangement and rack, rearrangement or notes.
Parts of slide for the Planing machine. Plan, elevation
Algebraic addition. Sheet 1 of 2.
Difference Engine index of parts.
A letter from Brunel to G Dollond saying the entrance to the tunnel will be at Wapping
Sketches of the printing and stereotyping apparatus of the Analytical and Difference Engines. Superseded. Plan, elevation.
Vertical positions of the wheels of Plan 28. Sheet 13 of 23.
First sketch of all the parts in plan of the right half to middle group of General Plan 28. Plan, elevation.
Parts of the slide for Planing machine. Plan, elevation.
Notation of periods for the centre group.
Pages 67 and 68 of Alfred Kitching's diary
Plan 27. This was superseded by Drawing 93. Linear arrangement.
Plan and elevation of sundry parts in the upper cages of left half of middle group.
Parts of the slide for the Planing machine.
Division. Sheet 5 of 15.
Genealogy of multiplication. One barrel. Sheet 2 of 2.
Algebraic addition of i k figures. Sheet 4 of 8.
Drawing entitled 'Sheer Drawing for a Steel Protected Crusier for Colonial Defence to be named'
