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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'

Mathematics school exercise book of William Scamp

Autograph letter from William Brunton, Engineer, giving a description of his Steam Horse, Butterley Iron Works

Letter from Leighton Dalrymple, Lieutenant Colonel. Account of his visit to Wakefield and Leeds, including a description and sketch of John Blenkinsop’s Steam Locomotive 'Salamanca'

Drawings - the Peel & Williams Phoenix and Soho Foundries

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

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"

Notebook comprising 'Account of Blaenavon Iron Works'

Volume entitled: "A plan of a Course of Lectures on Arts and Manufactures, More Particularly Such as Relate to Chemistry by William Farish"

Invoice from Peel, Williams and Peel for a steam engine supplied to Messrs Coates and Wright

Copy [bill] London [to] Navy Commissrs./John Rennie, [for] Cast Iron Diving Bell, [pumps and machinery parts etc Reference to the 'Sheerness Diving Bell'. Bears note re the bell/Goodrich, and note from the Navy Office on verso]

Drawing entitled 'Sectional Drawing for a Steel Protected Cruiser for Colonial Defence to be named'

Stepping No. 1 on or in central wheels. Figure 1. Figure 2. Various unnumbered elevations, plans and details.

Elevation of parts of middle group drawn in plan on No. 127.

Sketch of diving apparatus as tried by the inventor at the entrance of the basin in Portsmouth Yard

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.

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.

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

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

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

My Machine 1889 III Development of driving cams.

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.

South East view of the Collegiate Church, Manchester

List of chemical expenses

Temporary staging

Untitled. [Operations for the Analytical Engine]