


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 Henry Maudslay to Mr Matthew Murray, Engineer

Design for the steam engine for metal mills, longitudinal section of foundry

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]

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

Letter from Messrs Blagrave and Walter to Messrs Haynes and Douglas and a copy of a letter Samuel Homfray to Messrs Blagrave and Walter

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

Coloured drawing of Elevations of the (Locomotive) Rocket

Plan of Steam Boiler for Susquehana Locomotive

Long pinions in the position for stepping. Adding wheels and short pinions behind long wheels.

Carriage and racks in sections. Sheet 10.

Sections of framing and racks. Sheet 6.

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.

Plan, elevation and section of cross slide.

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

Untitled plan and elevation. Incomplete.

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

Platform raising apparatus. Sheet 33.

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

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.

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

Grouping arrangement. Abandoned end April 1835.

Method of grouping for the large machine.

Sketches of mill used for arranging operations on the engine of four wheels in each cage from April 1836 - August 1837.

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.

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 Superseded.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

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

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.
