Kompleks kompensator, system Gall. Fabrikat H. Tinsley & Co., London. Betjeningsforskrift og beskrivelse
Drawing of broad wheeled Sussex waggon as used in the counties Sussex & Kent, Southern England circa 1700-1930
Sviluppo di alcuni corpi Stereometrico Mineralogici secondo i celebri Autori Dufrenoy, Hauy, Mohs, Rose, Neumann
Portfolio of result traces, summaries of results and notes relating to repetition by Boys of the 'Cavendish experiment'
Album, compiled and written, documenting the laying of the Durban-Mauritius and the Sierra Leone-Ascension submarine cables
Album documenting the laying of the Vancouver-Fanning Island-Fiji sections of the Pacific submarine cable
Album documenting the laying of the first three stages of the Mauritius-Rodriguez-Cocos-Fremantle-Glenelg submarine cable