Mediaeval Church Vaulting, by Clarence Ward 50873 [Link: http://www.gutenberg.org/5/0/8/7/50873 ] [Files: 50873-0.txt; 50873-h.htm]
Thanks to Chuck Greif, deaurider and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) Chuck
