Twyman, F <br/><br/>
Optical glassworking  

 - London:   Hilger & Watts Limited,   1955 
 - viii, 275p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industries 
<br/><br/><label>Subjects--Index Terms: </label>Spectacle  Tools  
<br/><br/><label>Universal Decimal Class. No.: </label>681.42   / J5