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'
Photograph entitled 'T J Bennett Holding Framework of Large Trapezoidal Kite Approximately 14ft Long'
Photograph entitled 'Sir Hiram Maxim Holding Folded Paper Sheet to Illustrate Stability of Wing Configuration'