Three Dollars a Year


ELECTRIC HEAT i n its program of modernlzatlon, Industry IS avalllng ltself not only of the latest advances in electric power and light but also in that newer branch of electr~c service--electric heat. The rapid growth in the utilization of electric heat 1s indicated by a consumption of 6,000,000,000 kw-hr. for this purpose in 1929, which is more than… (More)


29 Figures and Tables