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

by Agnes M. Clerke

[225] Astr. Jour., No. 508.

[226] Report of U.S. Naval Observatory for 1900, p. 15.

[227] Grant, Hist. of Astr., p. 271.

[228] Month. Not., vol. ix., p. 91.

[229] Month. Not., vol. xi., p. 21.

[230] Astr. Nach., No. 756 (May 2, 1851).

[231] Phil. Trans., vol. i., p. 246. See H. T. Vivian, Engl. Mech., April 20, 1894.

[232] Secchi, Month. Not., vol. xiii., p. 248.

[233] Hind, ibid., vol. xv., p. 32.

[234] Lynn, Observatory, Oct. 1, 1883; Hadley, Phil. Trans., vol. xxxii., p. 385.