Crystals, by A. E. H. Tutton 68530 [Author: A. E. H. Tutton] [Link: https://www.gutenberg.org/6/8/5/3/68530] [Files: 68530-0.txt; 68530-h.htm] Thanks to Richard Tonsing and 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