TY  - BOOK
AU  - Burlingame,Roger
TI  - Machines that built America
U1  - 608.72 BUR/M 
PY  - 1953///
CY  - . - New York
PB  - : Harcourt, Brace
KW  - Inventions
KW  - Inventors
KW  - United States
ER  -