TY  - BOOK
AU  - Blackwood,Paul Everett
AU  - Hayes,William Dimmity
TI  - Push and pull : : the story of energy / 
U1  - 621.8 BLA 
PY  - 1966///
CY  - New York : 
PB  - McGraw-Hill, 
KW  - Power (Mechanics)
KW  - Juvenile literature
KW  - Machinery
N1  -  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
ER  -