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.
An edition of 'The Photogram' journal vol. 2 no. 17
Sketch of drilling machine. Details.
Arrangement and rack of Plan 25
Railway Signal Volume 3 (1885)
Plan of left half of middle group for General Plan 28.
Sketch elevation of the driving and directive of the Analytical Engine.
A letter from Brunel regarding his drawings
Notation of the Analytical Engine
Working Drawing for Nos 273, 274
Plan 27. Linear arrangement with letter notations.
Plan of operation and variable card counting apparatus. Suited to Plans 28 and 28a.
Small planing machine. Sheet 1.
General plan of the Analytical Engine, half size.
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.
Difference Engine index of parts.
Sketch of central wheel and principal framing. Plan, elevation.
A letter from Brunel to G Dollond saying the entrance to the tunnel will be at Wapping
Skeleton of vertical motions for all operations. Right groups. Multiplication and division from 372 Sheet 1. Sheet 1 of 3.
Parts of the slide for Planing machine. Plan, elevation.
Parts of slide for the Planing machine. Plan, elevation
Verticals of the counting apparatus barrel number 1. Sheet 8 of 9.
Motions of the stereotype frames
Drawing entitled 'Sectional Drawing for a Steel Protected Cruiser for Colonial Defence to be named'
Sketches of the printing and stereotyping apparatus of the Analytical and Difference Engines. Superseded. Plan, elevation.
Plan of picking-up sectors and a booklet of related notes
Plan 27. This was superseded by Drawing 93. Linear arrangement.
Parts of the slide for the Planing machine.
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]
Principles to be followed in the description of the constituent portions of the Analytical Engine.
Plan of mill, table wheels and carriage. Sheet 31.
Platform raising apparatus. Sheet 33.
Untitled. A model of six cages was made from this drawing. Incomplete.
First sketch of all the parts in plan of the right half to middle group of General Plan 28. Plan, elevation.
Sequences of the verticals for algebraic addition of k figures.
Notation of periods for the centre group.
Elevation of parts of middle group drawn in plan on No. 127.
Algebraic addition of i k figures. Sheet 8 of 8.
Plan of the left half to middle group for General Plan 28.
Plan No. 24. Arrangement and rack, rearrangement or notes.
Sketches of notations for algebraic addition. Case 1, 2 and 3.
Algebraic addition. Sheet 1 of 2.