Thesis entitled: "The Distribution of Electricity in Rural Areas 1926 to 1963 An Investigation"

Manuscript entitled: "Charcoal Burning in the Forest of Dean by Herbert Curwen"

Lockwood's index of United States telephone patents to Dec. 31, 1900

Album, compiled and written, documenting the laying of the Durban-Mauritius and the Sierra Leone-Ascension submarine cables

Album, compiled and written, documenting the laying of the German-Atlantic submarine cable

Album documenting the laying of the first three stages of the Mauritius-Rodriguez-Cocos-Fremantle-Glenelg submarine cable

Album documenting the laying of the Porthcurno-Madeira-St. Vincent submarine cable

'Radio Division 37 Staff Statistics'

Watford Railway Mission Plans and Specifications

Two flash spectrum

Illustrated pamphlet for Ralpho Cycle Co.

Album documenting the laying of the Cape Town-St. Helena-Ascension-St. Vincent submarine cable

Album documenting the laying of the Borkum-Fayal section of the German-Atlantic submarine cable

An edition of 'The Builders Journal and Architectural Record' Vol. XIV, No. 362

An edition of 'The Photogram' journal vol. 5 no. 50

A series of views overlooking Trafalgar Square, London and a map showing the position of the instrument stations

Railway Signal Volume 24 (1906)

The 1898 diary of Arthur Osborne Ladell

Map - Bird's-Eye View of textile Manchester by Warehouseman & Draper.

A typed letter from Walter Maunder to Miss Orr regarding origin of constellations

AVRO Manchester Tender Specification

Poster: Rules and Regulations for Geo. Wailes & Co.

Autograph of J A Fleming

Telegraph from William Thomson to Maclean, Physical Laboratory, University of Glasgow

Boys' Gravity Measurement and radio-micrometer

Publicity poster: "The New Hudson Silver Arrow; a real sporting sports; light, lively and good looking"

Letter from Sir Joseph William Swan to Ellice Clerk

Technical drawing for patent "Princess" cream separator (loose plate drum)

Ship's drawing of 600 ton twin screw sludge steamer for County Borough of Salford

Items relating to the variable speed driving gear invented by Telford C. Field for bicycles etc.

Papers relating to the building of the Disley Tunnel, Midland Railway

The History of Aircraft and Flying

Engineering drawing: Wearmouth Bridge, Reconstruction. Sunderland

Temporary Certificate issued to Hon. C. S. Rolls for the performance of his 12hp Panhard in 1,000 mile trial

Printed sale catalogue entitled: "Catalogue of the entire stock of Machinist, Millwright and Implement Agents, including about 60 lots of Farm Implements"

Letter from Peter MacEwan to Professor James Dewar

Letters patent of various countries granted to Ferdinand Fritz and The Daylight Incandescent Mantle Company

Photograph of Automobile Club of Great Britain and Ireland meeting at Lord Llangattock's seat, the Hendre, Monmouth

Folder of photos entitled '12 Wembley Snapshots'

Engineering drawing of Newcastle-Gateshead Bridge

Manual entitled: "The Manufacture of polyethylene by the ICI process. Volume 1A"

Drawings of nos. 296-297 S.S. 'Needles' and S.S. 'Spithead'

Photographs of vehicles produced by the London General Omnibus Company

Working drawing of model of Italian ore-crushing mill

Arrangement drawings of no. 300 S.S. 'Lakonia'

Foulsham and Banfield Ltd Collection

Articles on the bacterial treatment of sewage

Guarantee transfer

Book on the Companies Act 1900

Correspondence between Mr Winterbottom and A L Ordway