Bhaskara Panicker, P. T.,  1922- <br/><br/>
Yantr̲aṅṅaḷuṭe pr̲avarttanaṃ. 

 -  1964. 
 - 66 p.  ill.  19 cm. 
<br/><br/> In Malayalam. 
<br/><br/><label>LCCN: </label>sa 66001323  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machinery--Juvenile literature.
<br/><br/><label>LC Class. No.: </label>TJ147  / .B47