JOHNSON.B.K <br/><br/>
Optics and Optical Instruments    An Introduction 

 - New York  DOVER  1960 
<br/><br/>REFLECTION AND REFRACTION--FOCAL LENGTH MEASUREMENTS--eye--telescope--microscope--photographic lens--optical glass 
<br/><br/><label>ISBN: </label>9780486606422 
<br/><br/><label>Dewey Class. No.: </label>681.4