Charles Piazzi Smyth, «On Astronomical Drawing,» Memoirs of the Royal Astronomical Society 15 (1946): 75–76.
92
Charles Babbage, Reflexions on the Decline of Science in England (London: B. Fellowes, 1830), 210–211.
93
Charles Piazzi Smyth, Our Inheritance in the Great Pyramid (London: Alexander Strahan, 1864).
94
Brück and Brück, Peripatetic Astronomer, 119.
95
Ibid., 177.
96
David Brewster and J. H. Gladstone, «On the Lines of the Solar Spectrum,» Philosophical Transactions of the Royal Society of Edinburgh 150 (1860): 152.
