Letter from Robert Stephenson to his stepmother
Difference Engine index of parts.
Digit counting apparatus on the two upper wheel selectors.
Store variable selectors. Superseding drawing No 2.
Motion for carrying the tens, plus and minus.
Long pinions in the position for stepping. Adding wheels and short pinions behind long wheels.
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.
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.
Side and end elevations of feed and driving apparatus
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.
Plan of left half of middle group for General Plan 28.
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.
Untitled. A model of six cages was made from this drawing. Incomplete.
Platform raising apparatus. Sheet 33.
Drawing of the parts controlling the positioning and punching of the decimal point
Reduction of three simultaneous equations in three variables to two simultaneous equations in two variables
My Machine 1888 II Plan of driving cams, levers, etc. in initial position.
My Machine 1889 III Development of driving cams.
Sheet 1. Successive reduction of three simultaneous equations in three variables to find the solution for one variable.
Sheet 2. Successive reduction of five simultaneous equations in five variables to find the solution for one variable.
Letter from Messrs Blagrave and Walter to Messrs Haynes and Douglas
Handwritten note
Letter from Samuel Homfray to Messrs Haynes and Douglas
Drawing entitled 'Sheer Drawing for a Steel Protected Crusier for Colonial Defence to be named'
Page from notebook
Letter from Robert Bill to Mr Haynes
Type sheet entitled 'To Silver Glass'
Letter from Robert Bill to Messrs Haynes and Douglas
A statement of the premiums owned on Trevithick's patent for high pressure steam engines
Letter from Robert Bill to Messrs Haynes and Douglas
Statement of payments received by Robert Bill relating to premiums owned by manufactures on Trevithick's high-pressure steam patent
Pages 36 and 37 of the Notebook of John Urpeth Rastrick
Pages 42 and 43 of the Notebook of John Urpeth Rastrick
Pages 38 and 39 of the Notebook of John Urpeth Rastrick
Pages 30 and 31 of the Notebook of John Urpeth Rastrick
Pages 46 and 47 of the Notebook of John Urpeth Rastrick
Pages 50 and 51 of the Notebook of John Urpeth Rastrick
