


Letters patent granted to Thomas Farmer for 'Improvements in treating Pyrites to obtain Sulphur, Sulphurous Acid and other products'

Sketch books of drawings of fragments recovered from the shipwrecks of the Royal George and the Edgar

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"

‘Experiments, Practical Working etc., of J. Gray’s Patented Improvements in Steam Engines, etc.'

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

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

Cross-written letter from Miss Smith to Jane Young (nee Hackworth), Vilvorde, Belgium

Pages 50 and 51 of the Robert Stephenson & Co Ltd minute book no.1

Pages 100 and 101 of John Graham's report book 1838-1845

Pages 102 and 103 of John Graham's report book 1838-1845

Pages 94 and 95 of John Graham's report book 1838-1845

Pages 92 and 93 of John Graham's report book 1838-1845

Pages 86 and 87 of John Graham's report book 1838-1845

Pages 114 and 115 of John Graham's report book 1838-1845

Pages 88 and 89 of John Graham's report book 1838-1845

Pages 74 and 75 of John Graham's report book 1838-1845

Pages 104 and 105 of John Graham's report book 1838-1845

Pages 78 and 79 of John Graham's report book 1838-1845

Pages 106 and 107 of John Graham's report book 1838-1845

Pages 108 and 109 of John Graham's report book 1838-1845

Pages 70 and 71 of John Graham's report book 1838-1845

Arrangement and rack of Plan 25

Carriage by vertical chain. Plan, elevation.

Plan and section of an 8 inch figure wheel; hoarding carriage and framing plate. Plan, elevation.

Sketch of central wheel and principal framing. Plan, elevation.

Plan 27. Linear arrangement with letter notations.

Plan No. 24. Arrangement and rack, rearrangement or notes.

Locking motions for carriage column.

Plan of an improved carriage by vertical chain, and a page of handwritten notes

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

Plan of consecutive mill counting apparatus for General Plan 28. Plan, note.

Sketch of an apparatus for advancing stereotype frames of the Difference Engine by cranks and backing them by weights. Superseded. Plan, elevation.

First sketch of all the parts in plan of the right half to middle group of General Plan 28. Plan, elevation.

Parts of the slide for Planing machine. Plan, elevation.

Anticipating whole and half zero digit counting carriage. Plan, elevation and details.

Elevation of parts of the card counting apparatus for operation and variable cards.

Motions of the printing apparatus

Motions of the stereotype frames

Chuck for Planing machine. Plan, elevation.

Circular motions of the calculating axes

Motions of the stereotype frames

Parts of slide for the Planing machine. Plan, elevation

Sketch of an apparatus for lifting the axes of the Analytical Engine. Plan, elevation.

Untitled pencil layout, includes mill racks.

Case of division used while discussing the selectors. Sheet 1 of 3.

Selectors, drawings 82 and 83, using. Sheet 2 of 4.

Used while discussing the selecting apparatus.
