Seymour, H. <br/><br/>
Crushing and griding machinery /(by) H. Seymour.   
by H. Seymour. 
 - London  Chemical Engg.Lib.  1924 
 - Chemical engineering library (London  Benn), second series. .
<br/><br/><label>Dewey Class. No.: </label>621.92  / N24 "SER"