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.
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)
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.
A letter from Brunel recommending "practical men"
Drawing entitled 'Sectional Drawing for a Steel Protected Cruiser for Colonial Defence to be named'
Plan of mill, table wheels and carriage. Sheet 31.
Notation of the Analytical Engine
General plan of the Analytical Engine, half size.
Working Drawing for Nos 273, 274
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.
Difference Engine index of parts.
A letter from Brunel to G Dollond saying the entrance to the tunnel will be at Wapping
Sketch of central wheel and principal framing. Plan, elevation.
Parts of slide for the Planing machine. Plan, elevation
Algebraic addition. Sheet 1 of 2.
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 Superseded.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.
Pages 67 and 68 of Alfred Kitching's diary
Plan No. 24. Arrangement and rack, rearrangement or notes.
Parts of the slide for Planing machine. Plan, elevation.
Drawing entitled 'Sheer Drawing for a Steel Protected Crusier for Colonial Defence to be named'
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.
Algebraic addition of i k figures. Sheet 4 of 8.
Store variable selectors. Superseding drawing No 2.
First sketch of all the parts in plan of the right half to middle group of General Plan 28. Plan, elevation.
Motions of the stereotype frames
Platform raising apparatus. Sheet 33.
Verticals of the counting apparatus barrel number 1. Sheet 8 of 9.
Notation of periods for the centre group.
An edition of 'The Photogram' journal vol. 5 no. 50
![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)