Scottish letters patent granted to Thomas Farmer for obtaining sulphur, sulphurous acid and other products from pyrites
Letters patent granted to Thomas Farmer for 'Improvements in treating Pyrites to obtain Sulphur, Sulphurous Acid and other products'
Sketch books of drawings of fragments recovered from the shipwrecks of the Royal George and the Edgar
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"
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.
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.
Platform raising apparatus. Sheet 33.
Untitled. A model of six cages was made from this drawing. Incomplete.
Reduction of the three equations
The drawings of the New Engine arranged according to the subjects alphabetically. Analytical.
Notation of the reduction of the three equations. Successive reductions of three simultaneous equations in three variables to find the value of one variable
My Machine 1888 II Plan of driving cams, levers, etc. in initial position.
My Machine 1889 III Development of driving cams.
Great Western Railway – Drawing No 2 Side elevation and Cross Section
Cross-written letter from Miss Smith to Jane Young (nee Hackworth), Vilvorde, Belgium
Cross-written letter from Elizabeth Dove, Leeds to Prudence Nightingale (nee Hackworth), Darlington
Pages 50 and 51 of the Robert Stephenson & Co Ltd minute book no.1
Pages 26 and 27 of John Graham's report book 1838-1845
Pages 36 and 37 of John Graham's report book 1838-1845
Pages 38 and 39 of John Graham's report book 1838-1845
Pages 52 and 53 of John Graham's report book 1838-1845
Pages 34 and 35 of John Graham's report book 1838-1845
Pages 86 and 87 of John Graham's report book 1838-1845
Pages 88 and 89 of John Graham's report book 1838-1845
Pages 50 and 51 of John Graham's report book 1838-1845
Pages 74 and 75 of John Graham's report book 1838-1845
Pages 78 and 79 of John Graham's report book 1838-1845
Pages 70 and 71 of John Graham's report book 1838-1845
