Dhuva dharika  ध्रुव धारिका 

 - Kottayam  Rajkamal Prakashan   1950 
 - p-   47  18 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GeneralSTRACTURAL NOTES, LIGHTHOUSE, ILLUMNATION, SOUND, SIGNIALS, RADIOAIDS LIGHT HOUSE MAINTENANCE,
<br/><br/><label>Dewey Class. No.: </label>891.432  / VAR-D