Forbes, R. J <br/><br/>
Extracting, smelting, and alloying 

<br/><br/> <Donation Engel> 
<br/><br/>bibliogr. p. 599 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Histoire<br/>Technique<br/>Technologie<br/>Exploitation minière<br/>Métallurgie<br/>Or<br/>Argent<br/>Cuivre<br/>Fer