16 Nov
2020
16 Nov
'20
8 p.m.
Lead Smelting and Refining, by Various 63784 [Subtitle: With notes on lead mining] [Editor: Walter Renton Ingalls] [Link: http://www.gutenberg.org/6/3/7/8/63784 ] [Files: ; 63784-0.txt; 63784-h.htm] Thanks to deaurider, Les Galloway 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