Portfolio of result traces, summaries of results and notes relating to repetition by Boys of the 'Cavendish experiment'
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
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
Drawing entitled 'H.M. Colonial Crusiers "Katoomba", "Mildura" & "Wallaroo" Plan of Upper and Protective Deck'
Drawing entitled 'Colonial Cruisers "Katoomba", "Mildura" & "Wallaroo" Arrangement of Pumping Flooding & Draining &c'
Drawing entitled 'H.M. Colonial Crusiers "Katoomba", "Mildura" & "Wallaroo" arrangement of pumping, flooding & draining &c'
2 sheets Engineering Drawings: General Arrangement of Launch with Oil Engine and Reversing Screw Propeller and drawing of Reversing Propeller G.O. 5579
135 Printed Booket entitled: "A few remarks on what has been done with screw-propelled Aeroplane Machines, from 1809 to 1892"