Manufacture of photographic plates in India by N K 

 - Delhi  MOP India           1937 
 - Bulletins of Indian industrial research, 4. .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Leather
<br/><br/><label>Dewey Class. No.: </label>X9(M95).2.N36, GD