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Drawing depicting the transverse section of the engine house and boiler sealing for an atmospherical steam engine

Plan and section of the foundation of part of the SE wall of the New Gun Wharf at Portsmouth Dockyard

Design for a Wooden Wharf wall

Engraving depicting profile of a bridge proposed to be built of granite over the River Thames

Engraving depicting a section of the centres and masonry of granite of the bridge proposed over the River Thames

Drawing depticting Bramah's fire extinguishing engine

Drawing of a wrought iron screw with brass nut and collar for heaving up Penstocks in His Majesty's Dock Yard at Portsmouth

General view of the Engine House for '30 Horse Steam Engine, 1st by Bolton & Watt, and Framing for the Hon'ble the Commissioners of the Navy'

Cross section of the engine house and longitudinal section of the boiler for the 'Hon'ble the Commissioners of the Navy'

Ground plan of the engine house and framing for the 'Hon'ble the Commissioners of the Navy'

Engraving depicting Messrs Telford & Douglas' design of a cast iron bridge of a single arch proposed to be erected across the River Thames

Drawing of the first steam engine erected at Portsmouth Yard (Sadler's Engine)

Ship plan entitled: Profile Draught for the 36 Gun Ship building by Mr Barnard

Ship plan entitled: Upper deck for the 36 Gun Ship building by Mr Barnard, River Thames

Ship plan entitled: Disposition of the Frame for the 36 Gun Ship building by Mr Barnard, River Thames

Printed certificate of the contract for the redemption of land tax in the name of Mrs Sarah Raisbeck

Printed insurance policy for the Laudable Society for the Benefit of Widows

Handwritten note

Page from notebook

Type sheet entitled 'To Silver Glass'

A Plan of the Navigable Canals from Birmingham, to Oxford

Letter from Erasmus Darwin to an unnamed patient

Booklet entitled: "The Mogul Tale; or, The Descent of the Balloon"

Map: Plan of the Collieries on the Rivers Tyne and Wear also Blyth, Bedlington and Hartley; with the Country 11 Miles round Newcastle

Maps relating to Rochdale Canal

Map entitled: 'A Plan shewing the line of the proposed navigation from Bishops Stortford, through part of Essex, Cambridgeshire and Suffolk, to the Brandon River, on the borders of Norfolk ... '

Letter from Charles Stanhope to G Nuttall

Agreement for erecting a steam engine at Ravenhead near Prescot in County of Lancaster

Letter from James Watt to Mr John Morley

Letter from John Dalton to Peter Crosthwaite

Plan of the Collieries on the Rivers Tyne and Wear also Blyth, Bedlington and Hartley; with the Country 11 Miles round Newcastle

Letter from William Toplis to an acquaintance of Lord Bathurst's

Share certificate for the Wilts & Berks Canal

Note from Nevil Maskelyne to Mr Wingrave

The History of Aircraft and Flying

Reprint entitled: "Description and use of a thermometer for measuring the higher degrees of heat: from a red heat up to the strongest that vessels made of clay can support"

Manuscript drawing book entitled: "Utensils in Canal Work"

Letter from Cyril Jackson to Mr Taylor

Note from Sir William Herschel to Sir William Hamilton

Pamphlet entitled: "Report from the committee appointed to examine the Physicians who have attended his majesty during his illness.."

Devonport Water Works - A plan of the leet from Devonport to the Weir Head

Mr. Wilson's Design for a Cast Iron Bridge over the Thames, instead of the Present London Bridge

Note from Bernard Germain Etienne de La Ville-sur-Illon, Comte de Lacepede, to de Chezy

Letter from J Currie to Mr Greg

Loose sheets from the notebook of Sir William de Wiveleslie Abney

Arrangement drawings of ship 'Flying Fish'

Letter from John Dalton to Respected Friend [Peter Crosthwaithe?]

Letter from Sir James Edward Smith to M. L'Heritier in Paris

Letter from William Herschel to an unnamed correspondent

Letter from John Dalton to George Bewley