Leathem J G <br/><br/>
Elementary theory of the symmetrical optical instrument 

 -  1960 
 - p.  cm. 
 - Cambridge tracts in mathematics and mathematical physics .
<br/><br/><label>Standard No.: </label>26970 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optical thermodynamics
<br/><br/><label>Dewey Class. No.: </label>C5e:B, K0