George Edward Gee eBooks
eBooks di George Edward Gee
Recovering Precious Metals From Waste Liquid Residues. E-book. Formato PDF
George Edward Gee
edizioni Forgotten Books collana , 2017
The object in writing the following pages has been to present the reader with a thoroughly practical account of the simplest and most accurate methods of recovering the gold, silver, and platinum from the sundry waste liquid residues of goldsmiths, silversmiths, and other workers in the precious metal trades, and thereby...
The Goldsmith's Handbook: Containing Full Instructions for the Alloying and Working of Gold. E-book. Formato PDF
George Edward Gee
edizioni Forgotten Books collana , 2017
Having been frequently applied to by gold workers and others, with reference to certain difficulties relating to their trade, which they were unable to overcome mechanically, the idea pre sented itself to the mind Of the Author, that a work fmdz'mlly treating on the Uses and Appli cations of Gold, having special regard...