Aaron, C. H. <br/><br/>
Assaying in three parts / 
By c. h. aaron 
 - 2 
 - 3 t. en 2 volúmenes 
<br/><br/>Contenido: pt. 1. gold and silver ores.--pt. 2. gold and silver bullion.--pt. 3. lead, copper, tin, mercury, zinc, nickel and cobalt, chromium, bismuth, asrsenic, antimony, sulphur, salt 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ensayos
<br/><br/><label>LC Class. No.: </label>TN550  / A37 1889