Pani ka pedu  पानी का पàड 

 - New Delhi  National Archives Of India 
 - 248 
<br/><br/><label>Subjects--Topical Terms: </label><br/>East Indo-European And Celtic LiteraturesWestern Hindi LiteraturesGEOMETRICAL OPTICS, PHYSICAL OPTICS, THE NATURE OF LIGHT, DIFFRACTION, DOUBLE REFRACTION, ROTATORY POLARISATION THE SPECTRUM AND ITS TEACHNICS
<br/><br/><label>Dewey Class. No.: </label>891.43  / SHA-P