Know about inventions 

 - India    Bluebird Books   2004 
 - 267 p. 
<br/><br/><label>ISBN: </label>81-7582-011-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Curiosities and Wonders<br/>Fact Books
<br/><br/><label>Dewey Class. No.: </label>R 30 K76