Orford, Henry <br/><br/>
Lens-work for amateurs 

 - 4th Ed; 
 - London:  Sir ISAAC Pitman and Sons LTD,  1953. 
 - 230p.  ill.  18cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manufacture
<br/><br/><label>Dewey Class. No.: </label>681.4  / ORF