Twyman, F. <br/><br/>
Prism and lens making  a textbook for optical glass workers 
F. Twyman                                                    
 - London  Adam Hilger  1942 
 - 178p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and astrophysics thesaurus<br/>Lens design<br/>Lenses<br/>Prisms
<br/><br/><label>Universal Decimal Class. No.: </label>535.821  / TWY