Blackwood, Paul Everett,    1913- <br/><br/>
Push and pull :   the story of energy /  
Paul Blackwood ; illustr ated by William D. Hayes. 
 - Rev. ed. 
 - New York :   McGraw-Hill,   1966. 
 - 192 p. :    ill. ;    21 cm. 
<br/><br/>  An explanation of various kinds of energy and their applications. So lar, chemical, electrical, radiant, and nuclear energy. Includes many e xperiments demonstrating points made in the text. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Power (Mechanics) --Juvenile literature.------<br/>Machinery --Juvenile literature.------<br/>Power (Mechanics)--------<br/>Machinery.--------
<br/><br/><label>Dewey Class. No.: </label>621.8 BLA