Popular lessons in astronomy, by Francis J. Grund 71943 [Author: Francis J. Grund] [Link: https://www.gutenberg.org/7/1/9/4/71943] [Files: 71943-0.txt; 71943-h.htm] Thanks to Bob Taylor, The Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) Regards, Al