Beringer, Cornelius, <br/><br/>
A text-book of assaying :  For the use of those connected with mines / 
By c. beringer, and j. j. beringer 
 - 3 # rev. 
 - xvi, 399 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ensayos
<br/><br/><label>LC Class. No.: </label>TN550  / B47 1895