TY  - BOOK
AU  - Scheel,Lyman F.
TI  - Gas and air compression machinery
U1  - 621.5 
PY  - 1961///
CY  - New York
PB  - McGraw-Hill
KW  - Gases
KW  - Compressed air
KW  - Pneumatics
KW  - Valves
N1  - Includes index
ER  -