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Verticals of right barrel. Sheet 5 of 9.

List of verticals on one barrel for division (Notation 290) with the equivalent verticals on five barrels to order the same work.

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.

Verticals of the counting apparatus barrel. Sheet 2 of 9.

Vertical motions of the wheels and axes of the right, middle and left groups of Plan 28 for multiplication as performed in working Notation 268. Sheet 1 of 4.

Verticals of the counting apparatus barrel for division as performed with Plan 28, Notation 290 and mill counting apparatus sketched on Drawings 125 and 126. Sheet 1 of 9.

Algebraic addition of k figures with give off and without retaining for General Plan 28.

Verticals of left barrel. Sheet 7 of 9.

Algebraic addition with giving off and retain. Sheet 2 of 2.

Algebraic addition.

Algebraic addition of i k figures. Sheet 3 of 8.

Verticals of the counting apparatus barrel number 2. Sheet 9 of 9.

Algebraic addition of i k figures. Sheet 2of 8.

Differences as performed by General Plans 28 and 28a. Sheet 2 of 2.

Verticals of the counting apparatus barrel number 1. Sheet 8 of 9.

Algebraic addition of k figures. Sheet 2 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 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 give off and retain for k figures.

Algebraic addition of i k figures.

Verticals for algebraic addition of k figures. Sheet 2 of 2.

Duties of the calculating mechanism of Plan 28a. Centre group. Sheet 4 of 11.

Differences as performed by General Plans 28 and 28. Sheet 1 of 2.

Verticals for algebraic addition of k figures. Sheet 1 of 2.

Algebraic addition.

Duties of the calculating mechanism of left, centre and right groups of Plan 28a. Right group. Sheet 2 of 11.

Duties of the calculating mechanism of left, centre and right groups of Plan 28a. Right group. Sheet 1 of 11.

Untitled. [Motions of axes and wheels of Plan 28]

Algebraic addition. Sheet 1 of 2.

Stepping up or down or multiplying or dividing by any power of ten. Plans 28 and 28a. Sheet 1 of 2.

Notation of units for Plan 28.

[Notation of units for General Plan 28]. Superseded by 353. Sheet 5 of 7.

Notation of cycle wheels.

Notation of verticals for differences (Notation 334) and stepping up or down Notation 335.

Verticals of algebraic addition of i k figures. Notation 321. Sheet 2 of 3.

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.

Analytical Engine. Algebraic addition of k figures. One barrel.

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 of algebraic addition of i k figures. Notation 321. Sheet 1 of 3.

Verticals for algebraic addition of k figures. One barrel. Sheet 2 of 2.

[Notation of units for General Plan 28]. Superseded by 353. Sheet 2 of 7.

[Notation of units for General Plan 28]. Superseded by 353. Sheet 7 of 7.

Verticals upon four barrels for algebraic addition of i k figures. Notation 321. Sheet 1 of 2.

Vertical motions of the wheels and axes of the centre group. Sheet 1 of 4.

Analysis of the trains with reference to cycles and verticals. Left group. Sheet 3 of 3.

Algebraic addition of k figures.

Duties of the mill counting apparatus which require the cycle of a(=12) units for Plan 28a. Sheet 2 of 2.