Sketch of an apparatus for lifting the axes of the Analytical Engine. Plan, elevation.
Standard case of approximate multiplication. Sheet 3 of 4.
Approximative division. Standard case. Sheet 4 of 12.
Division, continued. Sheet 2 of 12.
Multiplication. Sheet 1 of 4.
36 variations of approximative division. Sheet 12 of 12.
Approximative division, continued. Sheet 10 of 12.
Verticals for multiplication. Notation 108.
Untitled pencil layout, includes mill racks.
Approximative division, continued. Sheet 7 of 12.
Approximative division, continued. Sheet 8 of 12.
Verticals for division. Sheet 1 of 4.
Verticals for approximative division. Sheet 2 of 4.
Notation of approximative multiplication.
Selectors, drawings 82 and 83, using. Sheet 2 of 4.
Addition.
Selectors, drawings 82 and 83, reducing to zero. Sheet 4 of 4.
Cases of common multiplication and their corresponding variations introduced. Sheet 1 of 7.
Verticals for approximative division. 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 Working notation belonging to Summary No. 244 which superseded Notation 241.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.
Verticals for algebraic addition of k figures. One barrel. Sheet 2 of 2.
Vertical motions of the wheels and axes of the centre group. Plans 28 and 28a. Sheet 2 of 4.
Vertical positions of some of the wheels of Plan 28a. Notation 348 cycles. Sheet 1 of 13.
Centre group. Sheet 3 of 5
