TY  - BOOK
AU  - Babbage Charles
TI  - On the economy of machinery and manufactures
T2  - Reprints of Economic Classics
U1  - X9(D6,8) .3.M3, G5 
PY  - 1963///
CY  - New York
PB  - Kelley USA        
KW  - Mechanical
ER  -