TY  - BOOK
AU  - Severns,William H.
AU  - Degler,Howard Edward
TI  - Steam, air and gas power
U1  - 621.1 23
PY  - 1948///
CY  - New York
PB  - J. Wiley
KW  - Steam engineering
KW  - Internal combustion engines
KW  - Compressed air
KW  - Pumping machinery
ER  -