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"

Vorlesung uber theoretische Mechanik by Christian Felix Klein

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

Drawing of Barry Railway Class H 0-8-2T Nos 79-85 4'8 1/2" Gauge Locomotive

Two flash spectrum

Illustrated pamphlet for Ralpho Cycle Co.

Drawing of General Arrangement 0-6-2T 1716T Imperial Railways Japan

Album documenting the laying of two submarine cables

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 1897 diary of Arthur Osborne Ladell, containing some details of work on the railways and rates of pay. Also contains a small number of entries for 1896

The 1898 diary of Arthur Osborne Ladell

Drawing of Cape Government Railway 3'6" Gauge Locomotive

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

My Machine 1883 - 1895 IV Copied and corrected from a former drawing.

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

AVRO Manchester Tender Specification

Letters patent document for patent 21,117

Patent specification for patent number 21,117

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

Photograph of the first motor car built in the UK driven by an internal combustion engine, built in 1895 by Roots and Venables

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"

Printed material relating to the promotion of Harry Lawson's British Motor Syndicate Ltd and criticism of Lawson's schemes by Sir David Salomons

Letter from Sir Joseph William Swan to Ellice Clerk

List of vessels fitted with marine engines

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

Ground plan of an engine room, boiler room and connecting piping for cotton mill in Selma, Alabama

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