TY  - BOOK
AU  - Severns,William H.
TI  - Steam, air, and gas power / 
AV  - TJ255 .S4 1954
U1  - 621.1 
PY  - 1954///
CY  - New York
PB  - John Wiley & Sons, Inc., 
KW  - Steam engineering
KW  - Internal combustion engines
KW  - Compressed air
KW  - Pumping machinery
N1  - Includes index: p489-502
ER  -