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"

Albums documenting the laying of submarine cables (Sierra Leone-Ascension, Durban-Mauritius)

Volume entitled: "Structural Air Raid Protection in England and Abroad"

Watford Railway Mission Plans and Specifications

'Photography as an aid to the exploration of new countries' by J. Bridges Lee

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

Album documenting the laying of the Vancouver-Fanning Island-Fiji sections of the Pacific submarine cable

Two flash spectrum

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

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

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

'Radio Division 37 Staff Statistics'

An edition of the 'Journal of the Society of Arts' No. 2578, Vol. 1

An edition of 'Nature' Vol. 66, No. 1705

Illustrated pamphlet for Ralpho Cycle Co.

Railway Signal Volume 24 (1906)

The 1898 diary of Arthur Osborne Ladell

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

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

Album documenting the laying of the Queensland-Norfolk Island-New Zealand-Fiji sections of the Pacific submarine cable

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

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

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

Album documenting the laying of the final stage of the Mauritius-Rodriguez-Cocos-Fremantle-Glenelg submarine cable

AVRO Manchester Tender Specification

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

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

Letter from Sir Kenelm Edward Digby to the Right Honourable the Lord Mayor of London

Autograph of J A Fleming

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

Boys' Gravity Measurement and radio-micrometer

Letter from Hiram Stevens Maxim to Sir Joseph Wilson Swan

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)

'High pressure research at Alkali Division of ICI' - typescript by Frank Bebbington

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

Printed ephemera relating to courses in carriage building at The London Polytechnic

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

The History of Aircraft and Flying

Foulsham and Banfield Ltd Collection

Bever Steam Car Works Letters to a Customer

Engineering drawings by B. Goodfellow Ltd

Engineering drawing: Wearmouth Bridge, Reconstruction. Sunderland

Bulletin from Lord Chamberlain's office, St. James's Palace, S.W.

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"