Astronomical Curiosities: Facts and Fallacies

by J. Ellard Gore

[494] Telescopic Work, p. 226.

[495] Copernicus, vol. i. p. 229.

[496] Grant, History of Physical Astronomy, p. 433.

[497] Cosmos, vol. ii. p. 699.

[498] Grant, History of Physical Astronomy, p. 536, footnote.

[499] Bedford Catalogue, p. 179.

[500] The Observatory, July, 1891.

[501] Nature, September 3, 1903.

[502] Cosmos, vol. ii. p. 669.

[503] The World Machine, p. 80.