110 Spectrum analysis photograph entitled: 'Method of standardising reference lines by comparison with iron lines'
Works photographic negative of cables on railway bridge girder, Lancashire & Yorkshire electrification
3 slip cases Items relating to the variable speed driving gear invented by Telford C. Field for bicycles etc.
Monochrome image, mounted after conservation Photograph entitled: "Automobile Club of Great Britain and Ireland meeting at The Hendre, Monmouth"
400 Temporary Certificate issued to Hon. C. S. Rolls for the performance of his 12hp Panhard in 1,000 mile trial
4 items Printed material relating to the promotion of Harry Lawson's British Motor Syndicate Ltd and criticism of Lawson's schemes by Sir David Salomons
495 Ground plan of an engine room, boiler room and connecting piping for cotton mill in Selma, Alabama
35 pages and 6 drawings Description of Pumping, Flooding, and Drainage Arrangement of cruiser 'Mildura', and associated drawings