TY  - BOOK
AU  - Henry Brinton
AU  -  
TI  - Wealth from the ground : How it works-Easy experiments-How to make a simple telephone
T2  - Finding out about Science
SN  -   02981640427
U1  - 372.35 F494f 
PY  - 1968///
CY  - London
PB  - Hart-Davis 
KW  -  Mineralogy
KW  - Juvenile literature
KW  -  Mines and mineral resources
KW  - Chapman
ER  -