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'
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"
Temporary staging
Pages 176 and 177 of John Graham's report book 1838-1845
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
Digit counting apparatus on the two upper wheel selectors.
Store variable selectors. Superseding drawing No 2.
Sign apparatus for Plan 28a. Plan, elevation.
Plan and elevation for the calculating part of the Difference Engine. Figure 1. Superseded. Consecutive carriage.
Motion for carrying the tens, plus and minus.
Sketch of an apparatus for advancing stereotype frames of the Difference Engine by cranks and backing them by weights. Superseded. Plan, elevation.
Lifting apparatus by screw. Sheet 9.
Carriage and racks in sections. Sheet 10.
Side and end elevation of feed motion with shade. Second revision.
Sections of framing and racks. Sheet 6.
Apparatus for registering the quotient adapted to Plan 28a.
Elevation of parts of the card counting apparatus for operation and variable cards.
Side and end elevation of feed motions. Showing the bands in different colours.
Reverse motion for cross planing.
Back and end elevation of cross slide.
Motions of the printing apparatus
Motions of the stereotype frames
Side and end elevations of feed and driving apparatus
Circular motions of the calculating axes
Small planing machine. Sheet 1.
Elevation and section of cross slide.
End and side elevation of Large Universal Machine.
Plan, elevation and section of cross slide.
Motions of the stereotype frames
Sketch of an apparatus for lifting the axes of the Analytical Engine. Plan, elevation.
Plan of Large Universal Machine.
Untitled plan and elevation. Incomplete.
Plan of mill, table wheels and carriage. Sheet 31.
Adding column with motion for changing from plus to minus. Incomplete.
Platform raising apparatus. Sheet 33.
Untitled. A model of six cages was made from this drawing. Incomplete.
Untitled pencil layout, includes mill racks.
Untitled. [Drawings of cams]
Difference Engine index of parts.
Cross-written letter from Miss Smith to Jane Young (nee Hackworth), Vilvorde, Belgium
My Machine 1888 II Plan of driving cams, levers, etc. in initial position.
My Machine 1889 III Development of driving cams.
Locking motions for carriage column.
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.
