TY  - GEN
AU  - Lyle, Oliver.                
ED  - Great Britain.
TI  - The efficient use of steam,: Oliver Lyle
U1  - 621.1 
PY  - 1947///
CY  - London
PB  - H.M. Stationery Off.
KW  - Steam engineering
N1  - Donations; Donations - Bibliotheca Alexandrina; Includes Index
ER  -