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"
Drawing entitled 'Sectional Drawing for a Steel Protected Cruiser for Colonial Defence to be named'
Elevation of parts of middle group drawn in plan on No. 127.
Cross-written letter from Miss Smith to Jane Young (nee Hackworth), Vilvorde, Belgium
Carriage by vertical chain. Plan, elevation.
Locking motions for carriage column.
Plan of the left half to middle group for General Plan 28.
Plan of consecutive mill counting apparatus for General Plan 28. Plan, note.
Sketch of an apparatus for advancing stereotype frames of the Difference Engine by cranks and backing them by weights. Superseded. Plan, elevation.
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.
Anticipating whole and half zero digit counting carriage. Plan, elevation and details.
Elevation of parts of the card counting apparatus for operation and variable cards.
Motions of the printing apparatus
Motions of the stereotype frames
Chuck for Planing machine. Plan, elevation.
Circular motions of the calculating axes
Motions of the stereotype frames
Parts of slide for the Planing machine. Plan, elevation
Sketch of an apparatus for lifting the axes of the Analytical Engine. Plan, elevation.
Untitled pencil layout, includes mill racks.
Selectors, drawings 82 and 83, using. Sheet 2 of 4.
Selectors, drawings 82 and 83, reducing to zero. Sheet 4 of 4.
Selectors, drawings 82 and 83.
Reversing sign ascertaining if a variable is zero, ascertaining if a variable has a + or - sign (supersedes 223).
Stepping up.
Stepping down.
Multiplication with three multiples. Sheet 2 of 2.
Approximative multiplication. Summary of multiplication. Sheet 2 of 5.
Sketches of various notations.
Notation of consecutive and half zero carriage.
Verticals for governing A et cetera for algebraic additions, notation 170. Sheet 2 of 2.
Sketches of various notations.
Division. Sketches of various notations.
Division. Working notation belonging to Summary No. 244 which superseded Notation 241.
Arithmetical example of multiplication as performed in Notation 220.
Algebraic addition of i k figures. Sheet 8 of 8.
Algebraic addition of i k figures. Sheet 6 of 8.
Verticals for two barrels for counting apparatus for multiplication. Notation 268. Sheet 4 of 4.
Algebraic addition of k figures adapted to General Plan 28. Sheet 1 of 4.
Algebraic addition of i k figures. Sheet 3 of 8.
Algebraic addition of i k figures. Sheet 2of 8.
Verticals of the counting apparatus barrel number 1. Sheet 8 of 9.
Untitled. [Trains and vertical motions of the wheels and axes of the right, middle and left groups of Plan 28a for division as performed in working Notation 290]. Sheet 3 of 4.
Untitled. [Trains and vertical motions of the wheels and axes of the right, middle and left groups of Plan 28a for division as performed in working Notation 290]. Sheet 2 of 4.
Algebraic addition. Sheet 1 of 2.
Trains and vertical motions of the wheels and axes of the centre group for differences and of the right group for stepping up or down. Plan 28a.
Vertical motions of the wheels and axes of the middle group of Plan 28 for algebraic addition of i k figures as performed in Notation 321. Sheet 1 of 2.
