Letters patent granted to Thomas Farmer for 'Improvements in treating Pyrites to obtain Sulphur, Sulphurous Acid and other products'
Copy letter from Isambard Kingdom Brunel to the Directors of the Great Western Railway
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; "Specimens of turning by Henry Perrigal Esqr. and given by him to Jas. Wilcox"
Volume entitled: "Customs of Mendipp Mines"
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"
Drawing entitled 'Sectional Drawing for a Steel Protected Cruiser for Colonial Defence to be named'
Visitors pass
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.
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.
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.
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
Notation for computing the elliptic radius vector by having the eccentricity and the mean anomaly
Reduction of the three equations
The drawings of the New Engine arranged according to the subjects alphabetically. Analytical.
List of designs. Cross reference list, showing numbers of drawings, pages of sketch books and numbers of notations.
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.
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.
Temporary staging
Receipts and charges for various accounts and goods plus lists of addresses and of fruit trees planted by A. Parkes
