Canada. Commission of Conservation, Denis, Leo German, 1878-, White, Arthur V., b. 1871 · Ottawa · leaf 295
al for 24 hours is nearlydouble the cost for 12 hours; whereas, for 24-hour hydro-electric powerthe cost may be but a relatively small fraction over the cost of the sameamount of power for 12 hours. In the majority of in.stances the user ofpower has no sufficiently correct idea of what his power… … :m. /L^ i.,£u .«^^
Water-power · Electric power-plants
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