A Popular History of Astronomy During the Nineteenth Century / Fourth Edition

by Agnes M. Clerke

[162] De Facie in Orbe Lunæ, xix., 10. Cf. Grant, Astr. Nach., No. 1838. As to the phenomenon mentioned by Philostratus in his Life of Apollonius (viii. 23), see W. T. Lynn, Observatory, vol. ix., p. 128.

[163] Schmidt, Astr. Nach., No. 1832.

[164] Astronomiæ Pars Optica, Op. omnia, t. ii., p. 317.

[165] De Stellâ Novâ, Op., t. ii., pp. 696, 697.

[166] Astr. Pars Op., p. 320.

[167] Mém. de l'Ac. des Sciences, 1706, p. 119.

[168] A digit = 1/12 of the solar diameter.

[169] Phil. Trans., vol. xxix., pp. 247-249.

[170] Mém. de l'Ac. des Sciences, 1715; Histoire, p. 49; Mémoires, pp. 93-98.

[171] Ibid., 1724, p. 178.