Image
Archive
People

Stereotype frames for Analytical and Difference Engines. Plan, elevation.

Sketch of an anticipating whole and half zero carriage. Plan, elevation.

Plan of picking-up sectors and a booklet of related notes

Elevation of parts of middle group drawn in plan on No. 127.

Plan of sundry parts in the upper cages of left half of middle group

Examination and discussion of a new general plan.

Elevation of parts of the card counting apparatus for operation and variable cards.

Plan of operation and variable card counting apparatus. Suited to Plans 28 and 28a.

Sketch of drilling machine. Details.

Sketches of cams for consecutive carriage.

Sketches of the printing and stereotyping apparatus of the Analytical and Difference Engines. Superseded. Plan, elevation.

Parts of the slides for the Planing machine.

Vertical motions of the calculating axes

Parts of the slide for the Planing machine.

Planing machine. Elevation, details.

Parts of slide for the Planing machine. Plan, elevation.

Notation of division. Standard Case. Sheet 1 of 12.

Approximative multiplication, continued. Sheet 4 of 4.

Division, continued. Sheet 3 of 12.

Multiplication, continued. Sheet 2 of 4.

Approximative division, continued. Sheet 11 of 12.

Approximative division, continued. Sheet 9 of 12.

Approximative division, continued. Sheet 6 of 12.

Approximative division, continued. Sheet 5 of 12.

Verticals for approximative division. Sheet 3 of 4.

Selectors, drawings 82 and 83, using. Sheet 3 of 4.

Sketches of various notations.

Cases of common and approximative multiplication and their corresponding variations introduced.

Counting the digits in any variable P or in any number of variables P Q R et cetera.

Vertical positions of the wheels of Plan 28. Sheet 12 of 23.

Multiplication.

Algebraic addition of i k figures. Sheet 7 of 8.

Algebraic addition of i k figures. Sheet 5 of 8.

Algebraic addition of i k figures. Sheet 4 of 8.

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 4of 4.

Algebraic addition of i k figures by the method described in Sketch Book Vol IV p 95 and with General Plan 28. Sheet 1 of 8.

Verticals for algebraic addition of k figures.

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 1 of 4.

Algebraic addition. Sheet 2 of 2.

Vertical motions for algebraic addition of i k figures. Sheet 2 of 2.

Motions of some of the axes.

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

Lockings of Plan 28a.

Trains and vertical motions of the wheels and axes of the table group of Plan 28a for algebraic addition, as performed in working Notations 306 and 321.

Notation 348 cycle 19. Sheet 3 of 13.

Notation 348 cycle 18. Sheet 2 of 13.

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

Notation 331 cycles 21 and 26. Sheet 9 of 13.

Notation 348 cycle 26. Sheet 8 of 13.

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