TY  - BOOK
AU  - TIME LIFE.
TI  - Machines & inventions
SN  - 0783529627
U1  - 681.7 
PY  - 1990///
CY  - Asia
PB  - Time Life
KW  - Machinery
KW  - Inventions
KW  - Discoveries in science
N1  - Include Index
ER  -