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Translation in one volume of 'The Art of Metals (Ores) in which is taught the true method of treating by mercury those of gold and silver: the manner of smelting them all and how they are to be refined and separated from one another'

Commonplace book of William Lewin

Letter from George Stephenson to Philip Maddison Regarding Engine Designs

Papers of George and Robert Stephenson Regarding the Moreton Rail-Road

Letter from John Backhouse to his sister describing the opening train on the Stockton & Darlington Railway

School exercise book of Hugh Hansford, Free School, Gillingham, Dorset

Lecture Notes on Chemistry

Volume entitled: "History of the Framework Knitting and Lace Trades"

Marshall's Geological Diagrams

Notebook comprising 'Account of Blaenavon Iron Works'

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"

Digit counting apparatus on the two upper wheel selectors.

My Machine 1888 II Plan of driving cams, levers, etc. in initial position.

My Machine 1889 III Development of driving cams.

Store variable selectors. Superseding drawing No 2.

Side and end elevation of feed motions. Showing the bands in different colours.

Side and end elevation of feed motion with shade. Second revision.

Reverse motion for cross planing.

Back and end elevation of cross slide.

Side and end elevations of feed and driving apparatus

Elevation and section of cross slide.

Plan, elevation and section of cross slide.

Small planing machine. Sheet 1.

End and side elevation of Large Universal Machine.

Plan of Large Universal Machine.

Plan of left half of middle group for General Plan 28.

Plan of mill, table wheels and carriage. Sheet 31.

Lifting apparatus by screw. Sheet 9.

Carriage and racks in sections. Sheet 10.

Platform raising apparatus. Sheet 33.

Motion for carrying the tens, plus and minus.

Sections of framing and racks. Sheet 6.

Long pinions in the position for stepping. Adding wheels and short pinions behind long wheels.

Untitled plan and elevation. Incomplete.

Adding column with motion for changing from plus to minus. Incomplete.

Untitled. A model of six cages was made from this drawing. Incomplete.

Untitled pencil layout, includes mill racks.

Drawing of the parts controlling the positioning and punching of the decimal point

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.

Reduction of three simultaneous equations in three variables to two simultaneous equations in two variables

Difference Engine index of parts.

'View of the Manchester and Liverpool Railway - taken at Newton'

Untitled. [Operations for the Analytical Engine]

Plan of the proposed route of the Liverpool and Manchester Railway by George Stephenson

Approximative multiplication. Summary of multiplication. Sheet 2 of 5.

Vertical motions of the wheels and axes of the middle group of Plan 28 for algebraic addition of i k figures as performed in Notation 321. Sheet 1 of 2.

Arithmetical example of multiplication as performed in Notation 220.

Selectors, drawings 82 and 83.

Notation of consecutive and half zero carriage.