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"
Letter from John Backhouse to his sister describing the opening train on the Stockton & Darlington Railway
Invoice from Peel, Williams and Peel for a steam engine supplied to Messrs Coates and Wright
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.
Untitled. This drawing is a cardboard model.
Gearing et cetera of Sketch dated July 31 1835. Plan, once part of Drawing 22.
Grouping arrangement. Abandoned end April 1835.
Method of grouping for the large machine.
Carriage by vertical chain. Plan, elevation.
Sketches of mill used for arranging operations on the engine of four wheels in each cage from April 1836 - August 1837.
Locking motions for carriage column.
Elevation of arrangement 13 with some of the driving and directive. Elevation includes section of a barrel '65 bands 80 verticals'.
Intended for engraving. Shows six barrels with reducing apparatus.
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 Superseded.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
Chuck for Planing machine. Plan, elevation.
Motions of the stereotype frames
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.
Standard case of approximate multiplication. Sheet 3 of 4.
Approximative division. Standard case. Sheet 4 of 12.
Division, continued. Sheet 2 of 12.
Multiplication. Sheet 1 of 4.
36 variations of approximative division. Sheet 12 of 12.
Approximative division, continued. Sheet 10 of 12.
Verticals for multiplication. Notation 108.
Untitled pencil layout, includes mill racks.
Approximative division, continued. Sheet 7 of 12.
Approximative division, continued. Sheet 8 of 12.
Verticals for division. Sheet 1 of 4.
Verticals for approximative division. Sheet 2 of 4.
Notation of approximative multiplication.
Selectors, drawings 82 and 83, using. Sheet 2 of 4.
Addition.
Selectors, drawings 82 and 83, reducing to zero. Sheet 4 of 4.
Cases of common multiplication and their corresponding variations introduced. Sheet 1 of 7.
Verticals for approximative division. Sheet 4 of 4.
