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11 plan press drawers and 8 linear meters of shelving

The Babbage Papers

The first drawing of the circular arrangement of the new engine

Plan for existing system of two racks. Arrangement plan and four detail elevations.

Algebraic addition of i k figures (General Plan 28). Cycle ordered by vertical ""s of centre barrel. Sheet 23 of 23.

Untitled. This drawing is a cardboard model.

Sketch of a plan for reserving the carriages.

Trains ordered by one barrel on group "F and group "A. Sheet 1 of 2.

Bars and levers for lifting axes of the Difference Engine No. 2. Plan.

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

Vertical movements of axes ordered by barrels for division.

General plan of the Analytical Engine, half size.

Notation for differences.

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

Part of the Planing machine.

Sketch Book Volume IV

Notation and description of the carriage drawn on Notation 81.

Ordinary cycle of 16.

Plan and elevation of a platform for giving circular motion to axes applied as an experiment to the Difference Engine No. 2. Drawing 163.

Second arrangement of the verticals for one barrel to perform multiplication in the manner exhibited on Notation 268 and with General Plan 28 and 28a.

Directive of addition.

Figure 1. Stepping No. 2. Sketch to examine a method of multiplication by stepping. Plan, elevation.

Plan of mill. Sheet 35. Superseded by Sheet 36.

Scribbling Book Volume VIII

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

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 Superseded in following sheet.

End elevation from the calculating end of the Difference Engine

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

Hoarding and anticipating carriages.

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

Duties of the calculating mechanism of Plan 28a. Centre group. Sheet 7 of 11.

Untitled. [Vertical positions of some of the wheels of Plan 28a. Notation 348 and 331 cycles]. Sheet 12 of 13.

Untitled. [Notations 224 and 321. List of operations.]

Notation of units.

Enumeration of trains on groups I and "F.

General Plan No. 23. Arrangement and rack.

Elevation of Difference Engine No. 2.

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

Motions of some of the axes for Plan 28. Sheet 3 of 8.

Notation of verticals for working Notations 332 and 333.

Positions of wheels, guides for moveable framing, et cetera.

List of the combinations in division performed as in Notation 290, with the cycles in which they occur. Sheet 2 of 4.

[Lockings (circular) of Plan 28]. Sheet 2 of 2.

183 drawings

Drawings of the Analytical Engine

Mill counting apparatus. Consecutive elevation.

Untitled. [Skeleton of vertical motions of right group]. Sheet 3 of 6.

Scribbling Book Volume V. Important matter of history in the Analytical Engine.

Plan of the calculating part of the Difference Engine

Untitled. Plan of the universal and general locking plates. Plan and elevation of the locked arms.

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

Sketches of cams for consecutive carriage.