Austin, Leonard Strong books & textbook
The Fire Assay of Gold, Silver, and Lead in Ores and Metallurgical Products
Legare Street Press /2022-10-27 Hardcover / 96 Pages
isbn-10: 1015717829 / isbn-13: 9781015717824
The Metallurgy of the Common Metals, Gold, Silver, Iron (and Steel), Copper, Lead and Zinc
Austin, Leonard S (Leonard Strong) 184
Wentworth Press /2016-08-24 Paperback / 646 Pages
isbn-10: 1360469230 / isbn-13: 9781360469232
