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Archives relating to Engines used by Thomas Redfern

Archives relating to Engines used by Thomas Redfern

Melksham Turnpike Trust

Melksham Turnpike Trust

Volume entitled; "Specimens of turning by Henry Perrigal Esqr. and given by him to Jas. Wilcox"

Volume entitled; "Specimens of turning by Henry Perrigal Esqr. and given by him to Jas. Wilcox"

Volume entitled: "Longstone Edge Mines, In Derbyshire"

Volume entitled: "Longstone Edge Mines, In Derbyshire"

Marshall's Geological Diagrams

Marshall's Geological Diagrams

Diary of John Watson, London & Greenwich Railway Co

Diary of John Watson, London & Greenwich Railway Co

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"

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"

On putting letters to drawings, in draft.

On putting letters to drawings, in draft.

Principles to be followed in the description of the constituent portions of the Analytical Engine.

Principles to be followed in the description of the constituent portions of the Analytical Engine.

Digit counting apparatus on the two upper wheel selectors.

Digit counting apparatus on the two upper wheel selectors.

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

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

My Machine 1889 III Development of driving cams.

My Machine 1889 III Development of driving cams.

Store variable selectors. Superseding drawing No 2.

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 motions. Showing the bands in different colours.

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

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

Reverse motion for cross planing.

Reverse motion for cross planing.

Back and end elevation of cross slide.

Back and end elevation of cross slide.

Side and end elevations of feed and driving apparatus

Side and end elevations of feed and driving apparatus

Elevation and section of cross slide.

Elevation and section of cross slide.

Plan, elevation and section of cross slide.

Plan, elevation and section of cross slide.

Small planing machine. Sheet 1.

Small planing machine. Sheet 1.

End and side elevation of Large Universal Machine.

End and side elevation of Large Universal Machine.

Plan of Large Universal Machine.

Plan of Large Universal Machine.

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

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

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

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

Lifting apparatus by screw. Sheet 9.

Lifting apparatus by screw. Sheet 9.

Carriage and racks in sections. Sheet 10.

Carriage and racks in sections. Sheet 10.

Platform raising apparatus. Sheet 33.

Platform raising apparatus. Sheet 33.

Motion for carrying the tens, plus and minus.

Motion for carrying the tens, plus and minus.

Sections of framing and racks. Sheet 6.

Sections of framing and racks. Sheet 6.

Apparatus for registering the quotient adapted to Plan 28a.

Apparatus for registering the quotient adapted to Plan 28a.

Untitled plan and elevation. Incomplete.

Untitled plan and elevation. Incomplete.

Adding column with motion for changing from plus to minus. 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. A model of six cages was made from this drawing. Incomplete.

Untitled pencil layout, includes mill racks.

Untitled pencil layout, includes mill racks.

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

Notation of the reduction of the three equations. Successive reductions of three simultaneous equations in three variables to find the value of one variable

Notation of the reduction of the three equations. Successive reductions of three simultaneous equations in three variables to find the value of one variable

History.

History.

Reduction of the three equations

Reduction of the three equations

History.

History.

Draft copy of Plan 28, dated 28 December 1842.

Draft copy of Plan 28, dated 28 December 1842.

Difference Engine index of parts.

Difference Engine index of parts.

Printed pamphlet entitled ‘Experiments, Practical Working, &c. of J Gray’s Patented Improvements in Steam Engines, etc.’ by John Gray, Engineer, Hull

Printed pamphlet entitled ‘Experiments, Practical Working, &c. of J Gray’s Patented Improvements in Steam Engines, etc.’ by John Gray, Engineer, Hull

Printed pamphlet entitled ‘A Short and Sure Guide to Railway Speculation: A few plain rules how to speculate with safety and profit in railway shares’ by a successful Operator

Printed pamphlet entitled ‘A Short and Sure Guide to Railway Speculation: A few plain rules how to speculate with safety and profit in railway shares’ by a successful Operator

Untitled. [Operations for the Analytical Engine]

Untitled. [Operations for the Analytical Engine]

Invoice for  Peel, Williams & Peel beam engine

Invoice for Peel, Williams & Peel beam engine

Vertical positions of the wheels. Sheet 4 of 5.

Vertical positions of the wheels. Sheet 4 of 5.

Vertical positions of the wheels of Plan 28. Sheet 5 of 23.

Vertical positions of the wheels of Plan 28. Sheet 5 of 23.

Vertical positions of the wheels of Plan 28 for artificial stepping of divisor. Sheet 17 of 23.

Vertical positions of the wheels of Plan 28 for artificial stepping of divisor. Sheet 17 of 23.

Vertical positions of the wheels of Plan 28 algebraic addition of k figures. Sheet 19 of 23.

Vertical positions of the wheels of Plan 28 algebraic addition of k figures. Sheet 19 of 23.