Album, compiled and written, documenting the laying of the Durban-Mauritius and the Sierra Leone-Ascension submarine cables
Album documenting the laying of the first three stages of the Mauritius-Rodriguez-Cocos-Fremantle-Glenelg submarine cable
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