Letters patent granted to Thomas Clarke and John Varley for 'An improvement on the atmospheric system of propulsion which is also applicable to other motive purposes'
Marshall's Geological Diagrams
Manuscript entitled: "Catalogue of the Apparatus of Philosophical Instruments, in the Collection of Her Late Majesty Queen Charlotte, at the Observatory at Richmond in Surrey"
Printed pamphlet entitled 'A Short and Sure guide to Railway Speculation. A Few Plain Rules how to Speculate With Safety and Profit, in Railway Shares. By a Successful Operator.' Dedicated to George Hudson by ‘A Director’. 6th ed, with additions
Letter from Hardwick to Euston Station Enlargement Committee, regarding the completion of buildings with accompanying report from a member of his staff
Letter from Hardwick to Mr Lund (?) regarding the ‘ornament in the resistance of the new building at Euston Station’
Letter from Robert Stephenson to Captain Constantine Moorsom
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 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 Superseded.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 Superseded.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 Superseded.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 Superseded.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.
Speculations on the driving and directive of the Difference Engine. Superseded. Arrangement.
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.
Untitled. [Motions of axes and wheels of Plan 28]
Stepping up or down or multiplying or dividing by any power of ten. Plans 28 and 28a. Sheet 1 of 2.
Notation of units for Plan 28.
[Notation of units for General Plan 28]. Superseded by 353. Sheet 5 of 7.
Notation of cycle wheels.
Notation of verticals for differences (Notation 334) and stepping up or down Notation 335.
