The manufacture of earth colours, by Dr. Josef Bersch 71219 [Subtitle: With thirty-one illustrations] [Author: Dr. Josef Bersch] [Editor: Dr. Wilhelm Bersch] [Translator: Charles Salter] [Link: https://www.gutenberg.org/7/1/2/1/71219] [Files: 71219-0.txt; 71219-h.htm] Thanks to Charlene Taylor and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/American Libraries.) Regards, Al