Travers, Ralph.  <br/><br/>
How to make professional moulds & castings :  from plaster to plastics / 
Ralph Travers.  
 - 2nd rev. ed.  
 - Boston :   Plastic Service Associates,   1952. 
 - vii, 346 p. :   ill. ;  26 cm.  
<br/><br/>300  300 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plaster casts.
<br/><br/><label>Dewey Class. No.: </label>731.43 / T697h