Winchell, Alexander Newton,  1874-1958 <br/><br/>
Elements of optical mineralogy :  an introduction to microscopic petrography / 
by Alexander Newton Winchell 
 - 4th ed. 
 - New York :  John Wiley,  1968 
 - v. :  ill. ;  24 cm. 
<br/><br/> First and second editions by Newton H. Winchell and Alexander N. Winchell  Four folded diagrams in pocket  Includes index 
<br/><br/>pt. 2. Principles and methods 
<br/><br/><label>ISBN: </label> Rs. 15.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optical mineralogy
<br/><br/><label>Dewey Class. No.: </label>552