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Vertical positions of the wheels of Plan 28 for algebraic addition of i k figures. First part of cycles ordered by verticals n and 'n of centre barrel. Sheet 20 of 23.

Square root. Sheet 4 of 4.

Multiplication. Sheet 1 of 3.

[Notation of units for General Plan 28]. Superseded by 353. Sheet 3 of 7.

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

Centre group. Sheet 3 of 5

List of the cases in multiplication as performed in Notation no. 268.

Vertical positions of the wheels of Plan 28 for algebraic addition of k figures. Sheet 18 of 23.

Algebraic addition of n times k figures. Sheet 1 of 3.

Notation of lockings. Sheet 1 of 3.

Notation of multiplication. Sheet 3 of 4.

Motions of some of the axes for Plan 28. Sheet 4 of 8.

Untitled. [Vertical positions of some of the wheels of Plan 28a. Notation 348 and 331 cycles]. Sheet 11 of 13.

Vertical movements of axes ordered by middle barrel for division. Sheet 2 of 3.

The trains.

Trains to stereotype.

General trains to be used with Sheets 1 to 4 of the special trains on drawing paper.

Duplicate. Index to the drawings. Cross reference list.

Barrels for square root.

Square root. Sheet 3 of 4.

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

Notation of self-acting positive and negative consecutive carriage.

Steps of trains on barrels of all the groups. Sheet 3 of 5.

Addition and subtraction of 120 figures. Sheet 2 of 3.

Trains on "F and I during operations in the mill. Sheet 1 of 3

Approximative multiplication for Plan 28. Sheet 6 of 8.

[Motions of some of the axes for Plan 28]. Sheet 6 of 8.

Untitled. [Vertical motions for multiplication and division]. Sheet 2 of 5.

Vertical positions of the wheels of Plan 28 for multiplication. Sheet 14 of 23.

Verticals of middle barrel. Sheet 6 of 9.

Duties of the calculating mechanism of Plan 28a. Left group. Sheet 10 of 11.

Mohawk and Hudson Locomotive drawing

General plan and details of cams for driving calculating axis. Also the disconnecting apparatus. First mover. Tracing of BAB A/159.

Directive of addition and subtraction.

Anticipating half zero carriage. Addition and subtraction by whole zero. Sheet 1 of 2.

Notation of division. Two figure wheels in each cage. Two cycles. Sheet 1 of 2.

Algebraic addition of k figures. Algebraic subtraction of k figures.

Division without table. Sheet 3 of 4.

Verticals of left barrel. Sheet 7 of 9.

Algebraic addition.

Multiplication with three multiples. Sheet 2 of 2.

Vertical positions of the wheels of Plan 28 algebraic addition of k figures. Sheet 19 of 23.

Trains and vertical motions of the wheels and axes ordered by barrel no. 1 of the mill counting apparatus of Plans 28 and 28a for division, as performed in working Notation 290. Sheet 1 of 2.

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.

Vertical motions of the wheels and axes of the right, middle and left groups of Plan 28 for algebraic addition of k figures as performed in Notations 306 and 306x.

Algebraic addition of k figures.

Verticals for division. Sheet 1 of 4.

Approximative division, continued. Sheet 7 of 12.

Algebraic addition of K figures. Sequences of the verticals and the work ordered by each vertical. Sheet 1 of 2.

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