Beringer, Cornelius, <br/><br/>
A text-book of assaying :  For the use of those connected with mines / 
By c. and j. j. beringer ; rev. by j. j. beringer 
 - 9 
 - Xvi. 456 páginas 
 - Griffin's metallurgical series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ensayes
<br/><br/><label>LC Class. No.: </label>TN550  / B47 1904