Letters patent granted to Thomas Farmer for 'Improvements in treating Pyrites to obtain Sulphur, Sulphurous Acid and other products'
Account of the construction of the Morley Tunnel, Leeds Dewsbury & Manchester Railway
Copy letter from Isambard Kingdom Brunel to the Directors of the Great Western Railway
Melksham Turnpike Trust
Diary of John Watson, London & Greenwich Railway Co
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'
Letters patent granted to Stephen Geary for 'Improvements in the preparation of fuel'
Sketch books of drawings of fragments recovered from the shipwrecks of the Royal George and the Edgar
Volume entitled: "[Record of] Lead ore raised at Longstone Edge Mines, Sampled ... and sold"
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"
Manuscript notebook entitled: "On Magnetism"
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"
Volume entitled: "Magpie Mine Resolution Book"
Drawing entitled 'Sectional Drawing for a Steel Protected Cruiser for Colonial Defence to be named'
Visitors pass
Difference Engine index of parts.
Plan of Difference Engine No. 2. Tracing of BAB A/164.
On putting letters to drawings, in draft.
Digit counting apparatus on the two upper wheel selectors.
Store variable selectors. Superseding drawing No 2.
Adding axis and wheels without framing
Plan of the figure wheels for one method of adding numbers.
Solution of two simultaneous equations
Notation for the coefficients of the powers of x Computation of the coefficients of a polynomial from those of another divided by a linear term.
Frame of adding wheels
Motion for carrying the tens, plus and minus.
Section of adding wheels and framing.
A draft drawing labelled 'Sheet 3', showing card adding axis, mill adding axis, figure wheels, warning bar and lever and tens lifting slide.
Long pinions in the position for stepping. Adding wheels and short pinions behind long wheels.
General plan and detail of the driving of the calculating part of Difference Engine No. 2. Tracing of BAB A/161.
End view and side elevation of driving and lifting apparatus.
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.
End and side elevation of Large Universal Machine.
Elevation and section of cross slide.
Plan, elevation and section of cross slide.
Plan of left half of middle group for General Plan 28.
