
History.

Scribbling Book Volume II

Stepping No. 1 on or in central wheels. Figure 1. Figure 2. Various unnumbered elevations, plans and details.

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

History.

History.

See designs dated 1834 November 27 and 1834 December 29.

Addition No. 4. Carriage No 6. Elevation and plan.

Index of Difference Engine No. 2

Difference Engine index of parts.

Untitled. [Algebraic developments relating to various calculations]

Analytical Engine (appears incomplete).

Plan of Difference Engine No. 2. Tracing of BAB A/164.

On putting letters to drawings, in draft.

Rough draft of Universal Machine Tool. Designed and employed for obtaining the different motions.

Digit counting apparatus on the two upper wheel selectors.

Carriage with tens warning. Sheet 3.

General plan of Analytical Engine, quarter size.

Store variable selectors. Superseding drawing No 2.

Adding axis and wheels without framing

Plan of the figure wheels for one method of adding numbers.

Solution of two simultaneous equations

Index to drawings

Notation for the coefficients of the powers of x Computation of the coefficients of a polynomial from those of another divided by a linear term.

Frame of adding wheels

Plan of the calculating part of the Difference Engine

Plan and elevation of rising platform.

Motion for carrying the tens, plus and minus.

Section of adding wheels and framing.

A draft drawing labelled 'Sheet 3', showing card adding axis, mill adding axis, figure wheels, warning bar and lever and tens lifting slide.

Long pinions in the position for stepping. Adding wheels and short pinions behind long wheels.

General plan and detail of the driving of the calculating part of Difference Engine No. 2. Tracing of BAB A/161.

Plan of mill and store. First draft of revised store and mill connected.

End view and side elevation of driving and lifting apparatus.

Plan and elevation of bolts and advancing plate.

Rising platforms, advancing plate.

Details of carriage.

Lifting apparatus by screw. Sheet 9.

Untitled. Shows plans and elevations of store wheels, mill, mill wheel cages, carriages and framing.

Carriage and racks in sections. Sheet 10.

Elevations and plans of printing apparatus. Experimental sketches for mill and store plans.

Digit counting apparatus spiral axis. Sheet 7.

Side and end elevation of feed motion with shade. Second revision.

Sections of framing and racks. Sheet 6.

Parts of plan, elevation and section of rising platforms for store. Superseded in following sheet.

Plan of part of the Analytical Engine. Quarto size.

Apparatus for registering the quotient adapted to Plan 28a.

Elevation arrangements for division. Sheet 20
