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Notation for division.

Approximative division, continued. Sheet 10 of 12.

Verticals for multiplication. Notation 108.

Various sheets on division and multiplication.

Square root.

Untitled pencil layout, includes mill racks.

Approximative division, continued. Sheet 7 of 12.

Approximative division, continued. Sheet 8 of 12.

Table division.

Verticals for division. Sheet 1 of 4.

Verticals for approximative division. Sheet 2 of 4.

Notation of the counting apparatus, et cetera, to suit Notation 39, for multiplication.

Table division.

Notation for square root.

Bolting plates for multiplication by table.

Notation of multiplication with hoarded carriages, beginning with the highest figure of multiplier. Sheet 1 of 2.

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

Cycles on barrels for division.

Table division.

Division and multiplication of 60 figures.

Notation of approximative multiplication.

Notation of locking. Small operations.

Counting apparatus.

Extraction of square root. Sheet 2 of 4.

Notation of locking for multiplication and division.

Multiplication without table. Sheet 2 of 2.

Extraction of square root. Sheet 1 of 4.

Notation for lifters for division by table, continued. Sheet 2 of 2.

Notation of locking for square root.

Notation for division for Sketch No. 12 ( A/33).

Extraction of square root. Sheet 4 of 4.

Counting by stepping. Division.

Notation of locking.

Single machine division of 30 figures with tail. General notation.

Addition and subtraction with signs.

Selectors, drawings 82 and 83, using. Sheet 2 of 4.

Case of division used while discussing the selectors and selecting apparatus.

Addition.

Selectors, drawings 82 and 83, reducing to zero. Sheet 4 of 4.

Multiplication. Sheet five of six.

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.