Catalogue of the drawings of the New Analytical Engine.
My Machine 1888 II Plan of driving cams, levers, etc. in initial position.
My Machine 1889 III Development of driving cams.
Plan of part of framing of Drawing 161. Tracing of BAB A/161.
Part of framing shown on 160. Tracing of BAB A/160.
Elevation of part of framing of Drawing 160.
Temporary staging
Untitled. [Operations for the Analytical Engine]
Notes and observations on ores and compounds
Envelope from an unknown sender in Darlington to Jane Young (nee Hackworth), Soho Cottage, Shildon
Cross-written letter from Miss Smith to Jane Young (nee Hackworth), Vilvorde, Belgium
Pages 176 and 177 of John Graham's report book 1838-1845
Pages 68 and 69 of the Robert Stephenson & Co Ltd minute book no.1
Pages 64 and 65 of the Robert Stephenson & Co Ltd minute book no.1
Pages 62 and 63 of the Robert Stephenson & Co Ltd minute book no.1
Notation of units
Notation of units
Locking motions for carriage column.
Sign apparatus for Plan 28a. Plan, elevation.
Plan and elevation for the calculating part of the Difference Engine. Figure 1. Superseded. Consecutive carriage.
Sketch of an apparatus for advancing stereotype frames of the Difference Engine by cranks and backing them by weights. Superseded. Plan, elevation.
Speculations on the driving and directive for the Difference Engine. Superseded. Arrangements.
Difference Engine wheels for driving the cranks which move the matrix frames. Superseded. Plan, elevation.
Untitled. Plan of locking plates for locking axis circularly and vertically.
Speculations on the driving and directive of the Difference Engine. Superseded. Arrangement.
Plan and elevation of a platform for giving circular motion to axes applied as an experiment to the Difference Engine No. 2. Drawing 163.
Elevation of parts of the card counting apparatus for operation and variable cards.
Motions of the printing apparatus
Motions of the stereotype frames
Circular motions of the calculating axes
Motions of the stereotype frames
Part of the Planing machine.
Sketch of an apparatus for lifting the axes of the Analytical Engine. Plan, elevation.
Untitled pencil layout, includes mill racks.
Vertical positions of the wheels of Plan 28. Sheet 15 of 23.
Vertical positions of the wheels of Plan 28 for multiplication. Sheet 14 of 23.
Vertical positions of the wheels of Plan 28 for algebraic addition of i k figures. First part of cycles ordered by verticals n and 'n of centre barrel. Sheet 20 of 23.
Algebraic addition of i k figures. Cycle ordered by vertical "a of centre barrel. Sheet 21 of 23.
Vertical positions of the wheels of Plan 28 algebraic addition of k figures. Sheet 19 of 23.
Algebraic addition of i k figures (General Plan 28). Cycle ordered by vertical ""s of centre barrel. Sheet 23 of 23.
Vertical motions of the wheels and axes of the right, middle and left groups of Plan 28 for multiplication as performed in working Notation 268. Sheet 1 of 4.
Differences as performed by General Plans 28 and 28a. Sheet 2 of 2.
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 3 of 4.
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 2 of 4.
Differences as performed by General Plans 28 and 28. Sheet 1 of 2.
Duties of the calculating mechanism of Plan 28a. Centre group. Sheet 4 of 11.
Duties of the calculating mechanism of left, centre and right groups of Plan 28a. Right group. Sheet 2 of 11.
Duties of the calculating mechanism of left, centre and right groups of Plan 28a. Right group. Sheet 1 of 11.
