TY  - BOOK
AU  - Salwi, Dilip M.
TI  - Inventions that made history
U1  - 608 
PY  - 1990///
CY  - New Delhi: 
PB  - Publications Dvn., Ministry of I and B
KW  - airship
KW  - computer
KW  - cotton gin
KW  - electric bulb
KW  - inventions
KW  - jet plane
KW  - motor car
KW  - phonograph
KW  - printing press
KW  - radar
KW  - railways
KW  - rocket
KW  - rubber
KW  - sewing machine
KW  - synthetic dyes
KW  - television
KW  - transistor
ER  -