TY  - BOOK
AU  - Vinycomb,T.B.
AU  - Laver,F.J.M.
TI  - Electricity to - Day
U1  - 621.3 
PY  - 1957///
CY  - London
PB  - Oxford University Press
KW  - Electric power
KW  - Conservation
KW  - Electric power supplies to apparatus
KW  - Electric insulators and insulations
N1  - Includes index
ER  -