Johnson, B. K. <br/><br/>
Optical design and lens computation 
B. K. Johnson                                               
 - London  The Hatton Press  1948 
 - viii, 175p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Optical Design<br/>Optical Instruments<br/>Optics
<br/><br/><label>Universal Decimal Class. No.: </label>535.8  / JOH