TY  - BOOK
ED  - United States.
TI  - Off-peak control of water heaters on rural power systems
AV  - TH6561.5 .U53 1949
U1  - 644.6 
PY  - 1949///
CY  - Washington
PB  - [U.S. Govt. Print. Off.]
KW  - Hot-water supply
KW  - Electric heating
KW  - Rural electrification
ER  -