


No. 1 lifters for the purpose of division by table. Notation and description in sheets 11 and 12 of large quarto notations. Plan, elevation.

Grouping arrangement. Abandoned end April 1835.

Sketch No. 5. Two parts each. 1835 July 4. General arrangement.

Method of grouping for the large machine.

Gearings, et cetera of Sketch No. 8 dated July 31 1835. Arrangement.

Carriage by vertical chain. Plan, elevation.

This plan is entitled 'Carriage 9. Gearing et cetera of Sketch No. 8'

Lifters for selecting the multiple of the Multiplicand or Divisor. Plan, two elevations.

Sketch of wheels for reducing carrying figure wheel axes to zero and setting spiral axes. Sketch elevations.

Figure 1. Clutch et cetera for driving the adding axes. Plan, elevation.

Sketches of mill used for arranging operations on the engine of four wheels in each cage from April 1836 - August 1837.

Plan and section of an 8 inch figure wheel; hoarding carriage and framing plate. Plan, elevation.

Consecutive counting apparatus.

Combinatorial and decimal counting apparatus comprising plan, elevation and description.

Method of governing barrels et cetera. No. 1, plan of elevation.

Centres of axes and pen sketches of lockings for Sketch 14. Arrangement.

Sketch of central wheel and principal framing. Plan, elevation.

Multiplication before the invention of multiplication by table. Sheet 1 of 2.

Multiplication before the invention of multiplication by table. Sheet 2 of 2.

Method of bolting to platforms for vertical motion of axes, plan.

Sketch No. 11, circular, arrangement. Shows 27 variables.

Figure 1. First method of stepping by long pinions, elevation.

Sketch 12. Stepping by the method designed 15 April 1836. Circular arrangement, 27 variables.

Sketch of sectors for lifting the axes.

Sketch of some of the centres et cetera for Plan 16. Arrangement.

Plan 16. Arrangement, several partial arrangements, numerous notes.

Sketch of sectors for giving vertical motion to axes. Arrangement, design, sketch for interference.

Sketch of a decimal counting apparatus. Plan, elevation, description.

Plan No. 24. Arrangement and rack, rearrangement or notes.

Locking motions for carriage column.

Elevation of arrangement 13 with some of the driving and directive. Elevation includes section of a barrel '65 bands 80 verticals'.

General Plan No. 23. Arrangement and rack.

Figure 1, Plan / Figure 2, elevation, Figure C Carriage No 4.

Plan of an improved carriage by vertical chain, and a page of handwritten notes

Adding No. 6, carrying No. 14. Sketch of a method of adding and carrying intended for a Difference machine. Designed between 31 October 1836 and 12 November 1836. Plan, elevations, details, description.

Plan of the left half to middle group for General Plan 28.

Intended for engraving. Shows six barrels with reducing apparatus.

Plan of consecutive mill counting apparatus for General Plan 28. Plan, note.

Sketch of an apparatus for advancing stereotype frames of the Difference Engine by cranks and backing them by weights. Superseded. Plan, elevation.

First sketch of all the parts in plan of the right half to middle group of General Plan 28. Plan, elevation.

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

Anticipating whole and half zero digit counting carriage. Plan, elevation and details.

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

Motions of the printing apparatus

Motions of the stereotype frames

Chuck for Planing machine. Plan, elevation.

Circular motions of the calculating axes

Motions of the stereotype frames
