Collins, Henry Francis, <br/><br/>
The metallurgy of lead & silver / 
By Henry f. Collins 
 - 2 volúmenes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plata--Metalurgia<br/>Plomo--Metalurgia
<br/><br/><label>LC Class. No.: </label>TN770  / C63