Portfolio of result traces, summaries of results and notes relating to repetition by Boys of the 'Cavendish experiment'
Drawing of Barry Dock Railway Ocean Coal Company Class F 0-6-0ST Nos 47-49; 70-72; 99-1043752 4'8 1/2" Gauge Locomotive
Drawing entitled 'Colonial Cruisers "Katoomba", "Mildura" & "Wallaroo" Arrangement of Pumping Flooding & Draining &c'
Drawing entitled 'Colonia Crusiers "Katoomba", "Mildura" & Wallaroo" Arrangement of Watertight Compartments, Doors, Sluice Valves &c'
Drawing entitled 'H.M. Colonial Cruisers "Katoomba", "Mildura" & "Wallaroo" Arrangement of W.T. Compartments, Pumping, Draining &c'
Drawing entitled 'H.M. Colonial Cruisers "Katoomba", "Mildura" & "Wallaroo" Elevation, Poop Deck and Forecastle Deck'
Sketch of Tower Bridge Hoists showing arrangement of locking gear by which the outer gate must be locked before door of cradle can be closed
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