Chapter IX
Etienne Gaspard Robert (Robertson). Mémoires Récréatifs, Scientifiques et Anecdotiques du Physicien-Aéronaute. Paris, 1831–33.
William Ritchie. “Proposal for Improving the Phantasmagoria,” Edinburgh Journal. 1825.
Chapter X
John Ayrton Paris (Published anonymously) Philosophy in Sport Made Science in Earnest. London, 1827.
David Brewster. A Treatise on the Kaleidoscope.
Edinburgh, 1819.
The Stereoscope: Its History, Theory and the Construction, with Its Application to the Fine and Useful Arts and to Education. London, 1856.
Joseph Priestly. The History and Present State of Discoveries Relating to Vision, Light and Colours. London, 1772.