Letters patent granted to Thomas Farmer for 'Improvements in treating Pyrites to obtain Sulphur, Sulphurous Acid and other products'
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'
Melksham Turnpike Trust
Diary of John Watson, London & Greenwich Railway Co
Sketch books of drawings of fragments recovered from the shipwrecks of the Royal George and the Edgar
Volume entitled; "Specimens of turning by Henry Perrigal Esqr. and given by him to Jas. Wilcox"
Volume entitled: "Customs of Mendipp Mines"
Volume entitled: "Longstone Edge Mines, In Derbyshire"
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.
On putting letters to drawings, in draft.
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.
Apparatus for registering the quotient adapted to Plan 28a.
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.
Notation for computing the elliptic radius vector by having the eccentricity and the mean anomaly
Reduction of the three equations
Draft copy of Plan 28, dated 28 December 1842.
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.
Principles to be followed in the description of the constituent portions of the Analytical Engine.
Pages 61 and 62 of Alfred Kitching's diary
Pages 59 and 60 of Alfred Kitching's diary
Pages 1 and 2 of Alfred Kitching's diary
Front cover of Alfred Kitching's diary
Pages 13 and 14 of Alfred Kitching's diary
