Karshikavilakal  കാര്‍ഷികവിളകള്‍ 

 - Thiruvananthapuram  Kerala Bhasha Institute  1970 
 - P-  1064  21  CM 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crops And Their Production   Plant CropsREFRACTION THROUGH SPHERICAL SURFACES, REFRACTION THROUGH LENSES, POWER OF A LENS, SPHERICAL ABERRATION IN A LENS, ACHROMATISM IN PRISMS, RAINBOW, OPTICAL INSTRUMENTS, HUYGENS EYEPIECE, SPECTROMETER, PHOTOMETRY, VELOCITY OF LIGHT, NATURE OF LIGHT, INTERFERENCE
<br/><br/><label>Dewey Class. No.: </label>631  / GOP-K