John Cawood, «The Magnetic Crusade: Science and Politics in Early Victorian Britain,» Isis 70, no. 4 (1979): 492–518.
81
Clerke, Popular History, 177.
82
Piazzi Smyth, Teneriffe, 77.
83
Ibid., 90.
84
Charles Piazzi Smyth, «The Ascent of Teneriffe,» Literary Gazette and Journal of Belles Lettres, Science, and Art, 17 April 1858 (London: Lovell Reed): 377.
