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Perigal's Contributions to Kinematics

Perigal's Contributions to Kinematics

Notation for Swedish Difference Engine

Notation for Swedish Difference Engine

The book "The Christian Visitor, on the Four Gospels" with flyleaf inscription by Florence Nightingale

The book "The Christian Visitor, on the Four Gospels" with flyleaf inscription by Florence Nightingale

Marshall's Geological Diagrams

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"

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.

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 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.

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.

Untitled. [Operations for the Analytical Engine]

Untitled. [Operations for the Analytical Engine]

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

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

Part of the end view of the Difference Engine

Part of the end view of the Difference Engine

Locking motions for carriage column.

Locking motions for carriage column.

Untitled. [Drawings of cams]

Untitled. [Drawings of cams]

Experimental planing machine

Experimental planing machine

Rough draft of throw out motion for feed apparatus.

Rough draft of throw out motion for feed apparatus.

Rising platform and selectors for variable columns in store one to each half of store. Quarter size.

Rising platform and selectors for variable columns in store one to each half of store. Quarter size.

Elevations and sections of feed motions. Fourth revision.

Elevations and sections of feed motions. Fourth revision.

Small Experimental Machine. Sheet 5.

Small Experimental Machine. Sheet 5.

Carriage axis, head and tail of product. Sheet 13.

Carriage axis, head and tail of product. Sheet 13.

Circular mill. Various plans. Sheet 16.

Circular mill. Various plans. Sheet 16.

Carriage. Sheet 14.

Carriage. Sheet 14.

Small Universal Machine.

Small Universal Machine.

Small Experimental Machine. Sheet 2.

Small Experimental Machine. Sheet 2.

General plan of the Analytical Engine, half size.

General plan of the Analytical Engine, half size.

Print apparatus as made in the large model.

Print apparatus as made in the large model.

First draft of selecting apparatus. Sheet 8.

First draft of selecting apparatus. Sheet 8.

Probably a plan of carriage and figure columns.

Probably a plan of carriage and figure columns.

Plan of motion for carriage slide.

Plan of motion for carriage slide.

Plan of mill with two racks. Sheet 11.

Plan of mill with two racks. Sheet 11.