Title: Modern Copper Smelting
Author: Donald M. Levy
Release date: October 23, 2019 [eBook #59328]
Language: English
Other information and formats: www.gutenberg.org/ebooks/59328
Credits: Produced by deaurider, Paul Marshall and the Online
Distributed Proofreading Team at http://www.pgdp.net (This
file was produced from images generously made available
by The Internet Archive)
The Colour of the Converter Flame during the
Bessemerising of Copper Matte.