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Volume entitled: "History of the Framework Knitting and Lace Trades"

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"

Notebook comprising 'Account of Blaenavon Iron Works'

Translation in one volume of 'The Art of Metals (Ores) in which is taught the true method of treating by mercury those of gold and silver: the manner of smelting them all and how they are to be refined and separated from one another'

Coloured drawing of Elevations of the (Locomotive) Rocket

A letter to Richard Trevithick from Davies Giddy regarding Trevithick's results from his first trial of the Herland pole steam engine

Catalogue of Useful Inventions for Cotton Spinners, Manufacturers and for all textile trades

Drawing of St. Petersburg Railway Locomotive

Mill counting apparatus. Consecutive elevation.

Pamphlet entitled ‘A Further Report on the Intended Rail or Tram Road, from Stockton, by Darlington, to the collieries, with a branch to Yarum [sic]’

An edition of 'The Photogram' journal vol. 2 no. 17

Sketch of drilling machine. Details.

Drawing of Locomotive Engine for the Stockton and Darlington Railway

Mohawk and Hudson Locomotive drawing

Untitled. This drawing is a cardboard model.

Invoice from Peel, Williams and Peel for a steam engine supplied to Messrs Coates and Wright

A letter to Richard Trevithick from Davies Giddy regarding steam engines

Handwritten Clarence Railway report

Letter from Timothy Hackworth to Liverpool and Manchester Railway Board

Railway Signal Volume 3 (1885)

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

The first drawing of the circular arrangement of the new engine

A letter to Richard Trevithick from Davies Giddy regarding calculations associated with steam engines

Plan of operation and variable card counting apparatus. Suited to Plans 28 and 28a.

Pamphlet entitled ‘A Further Report, on the Intended Rail or Tram Road, from Stockton, by Darlington, to the collieries, with a branch to Yarum [sic]’

Difference Engine index of parts.

Skeleton of vertical motions for all operations. Right groups. Multiplication and division from 372 Sheet 1. Sheet 1 of 3.

Untitled. [Vertical positions of some of the wheels of Plan 28a. Notation 348 and 331 cycles]. Sheet 12 of 13.

Notation of the Analytical Engine

Plan of a proposed alteration to locomotive engines

General plan of the Analytical Engine, half size.

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

Parts of slide for the Planing machine. Plan, elevation

Verticals of the counting apparatus barrel number 1. Sheet 8 of 9.

Motions of the stereotype frames

A letter to Richard Trevithick from Davies Giddy regarding arrangement of boiler tubes in Trevithick's Herland Mine engine

Small planing machine. Sheet 1.

Sketches of the printing and stereotyping apparatus of the Analytical and Difference Engines. Superseded. Plan, elevation.

Plan of picking-up sectors and a booklet of related notes

Plan 27. This was superseded by Drawing 93. Linear arrangement.

Parts of the slide for the Planing machine.

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

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

Verticals for approximative division. Sheet 2 of 4.

Gearing et cetera of Sketch dated July 31 1835. Plan, once part of Drawing 22.

Platform raising apparatus. Sheet 33.

Untitled. A model of six cages was made from this drawing. Incomplete.

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

Drawing of Tender for the Magnet Loco Engine, No. 108 Two end sections showing wheels, axle boxes and brake arrangement, [presumably for new tender-patent drawing]