Motions of the stereotype frames
Plans for store variables.
Sketch of sectors for lifting the axes.
This plan is entitled 'Carriage 9. Gearing et cetera of Sketch No. 8'
Drawing, sheet 3, un-mounted.
Sketch Book Volume IV
Multiplication. Sheet 2 of 3.
Division. Sheet 9 of 15.
Addition.
Algebraic addition. Sheet 1 of 4.
Case of division used while discussing the selectors. Sheet 1 of 3.
Trains of variations 7 of division. Sheet 4 of 7.
Reversing sign ascertaining if a variable is zero, ascertaining if a variable has a + or - sign (supersedes 223).
General notation of possible trains. Sheet 3 of 3.
Corrected printed proofs and sheets of lists in H.P. Babbage's 'Calculating Engines', enclosed in a manuscript cover. It includes a manuscript list of tool drawings.
Stepping up.
Plan and section of an 8 inch figure wheel; hoarding carriage and framing plate. Plan, elevation.
Single machine division of 30 figures with tail. General notation.
Plan of left half of middle group for General Plan 28.
Steps of the trains in one barrel in group "F and I during operations in the mill and during subsidiary operations in the store.
Verticals for multiplication. Notation 166.
Generation of the coefficients in the product of two cosine series
Multiplication of P by Q
Tabulation of a quadratic by differences
[Notation of units for General Plan 28]. Superseded by 353. Sheet 5 of 7.
Notation of carriage
Duties of the mill counting apparatus which require the cycle of a(=12) units for Plan 28a. Sheet 2 of 2.
Comparison of two modes of moving matrix frame.
Circular half zero carriage. Plans No. 8 - 10.
Algebraic addition.
Sketch of sectors for lifting the axes.
Approximative multiplication. Sheet 3 of 5.
General plan and details of cams for driving calculating axes.
Speculations on the driving and directive of the Difference Engine. Superseded. Arrangement.
Multiplication. Sketches of Notations.
Algebraic addition.
Reduction of three simultaneous equations in three variables to two simultaneous equations in two variables
Part of the end view of the Difference Engine
Direction of force in the Analytical Engine
Centres of axes and pen sketches of lockings for Sketch 14. Arrangement.
Method of governing barrels et cetera. No. 1, plan of elevation.
Counting apparatus. Approximative multiplication and division.
Part of framing shown on 160. Tracing of BAB A/160.
First sketch of all the parts in plan of the right half to middle group of General Plan 28. Plan, elevation.
Rough notes and sketches, including drawings of Babbage's game 'Tit Tat Toe'.
Plan of cams for punching with small stereotype sectors and cams for removing paper rollers.
Algebraic addition of k figures.
Algebraic addition if more than 40 figures. Cases 1 and 2. Sheet 1 of 6.
