A Text-Book of Astronomy, by George C. Comstock 34834 [Link: http://www.gutenberg.org/3/4/8/3/34834 ] [Files: 34834.txt; 34834-0.txt; 34834-h.htm] Thanks to Chris Curnow, Iris Schimandle, Lindy Walsh and the Online Distributed Proofreading Team at http://www.pgdp.net Many thanks Janet