TY  - BOOK
AU  - Chaline, Eric
ED  - 
TI  - Fifty machines : that changed the course of history
SN  - 9781770850903
U1  - 621.809 Cha/Fif 
PY  - 2012///
CY  - New York
PB  - Firefly Books
KW  - Machinery-History Machinery-Social aspects
KW  - Inventions-Histoire
KW  - Machines-Aspect social
KW  - Machines-Histoire
KW  - Inventions-History
KW  - Machinery-Social aspects
KW  - Machinery-History
ER  -