Macfarren, H., <br/><br/>
Practical stamp milling and amalgamation / 
By h. w. macfarren 
 - 2 
 - 166 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Amalgamación<br/>Oro--Molienda
<br/><br/><label>LC Class. No.: </label>TN762  / M33 1910