Hoover, Theodore Jesse,  1871-1955, <br/><br/>
Concentraing ores by flotation :  Being a description and history of a recent metallurgical development, together with a summar of patents and litigation. 

 - 3 
 - 320 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Preparación mecánica de minerales
<br/><br/><label>LC Class. No.: </label>TN550  / H651916