A series of views overlooking Trafalgar Square, London and a map showing the position of the instrument stations
Notebook containing records with details of meetings and discussions, patent filing, progress wth patent application and manufacture of instruments
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
270 Photograph of the first motor car built in the UK driven by an internal combustion engine, built in 1895 by Roots and Venables
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
105 Portrait photograph of Professor John Hopkinson, Professor Wilson and senior students at King's College, London
3 slip cases Items relating to the variable speed driving gear invented by Telford C. Field for bicycles etc.