


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.

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 Superseded in following sheet.

Apparatus for registering the quotient adapted to Plan 28a.

Elevation arrangements for division. Sheet 20

Side and end elevation of feed motions. Showing the bands in different colours.

Printing and card punching. Printing part of the Analytical Engine.

Reverse motion for cross planing.

Digit counting apparatus units and tens. Sheet 26.

Plan of store with double mill and printing. Superseded.

Side and end view of framing showing bearings for racks at Figure 1. Sheet 10.

Back and end elevation of cross slide.

Front and side elevation of feed apparatus. Showing worm and slotting motion.

Side and end elevations of feed and driving apparatus

Small Universal Machine. Sheet 6.

Elevation and section of cross slide.

Small planing machine. Sheet 1.

End and side elevation of Large Universal Machine.

Plan, elevation and section of cross slide.

Selecting apparatus. Sheet 12.

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

End view of inking printing paper and stereotyping apparatus. Tracing of BAB A/172.

Plan of Large Universal Machine.

Elevation of the mill.

Plan of improved mill. The last improved copy. Sheet 30.

Draft of the mill. Sheet 29. Superseded by Sheet 24.

Three figure motion
