Journal of electricity, power, and gas . One-half of Electric Heater Installation, RupertHigh School. number are at present quartered in the building ithas been possible to keep the air fresh and warm andat the same time cut down on the heat required. Withthe thermometer standing two below zero the build-in? has been heated and maintained comfortable with April 11. 1914.] JOURNAL OF ELECTRICITY, POWER AND GAS 311 268 kw. in use. To prevent excessive use of currentby the janitor the fuses are removed from the 440volt side of such sections as experience shows are notneeded. In this way the panel
Journal of electricity, power, and gas . One-half of Electric Heater Installation, RupertHigh School. number are at present quartered in the building ithas been possible to keep the air fresh and warm andat the same time cut down on the heat required. Withthe thermometer standing two below zero the build-in? has been heated and maintained comfortable with April 11. 1914.] JOURNAL OF ELECTRICITY, POWER AND GAS 311 268 kw. in use. To prevent excessive use of currentby the janitor the fuses are removed from the 440volt side of such sections as experience shows are notneeded. In this way the panel is made to act as ademand meter. Control of the ventilation can be had either bymixing air from the inside of the building with theoutside air by means of the two-way damper previ-ously referred to, or by charging the speed of thefan through the variable speed motor which drives it. Wyoming bituminous coal costs approximately$ per ton wholesale in Rupert and probably 160tons, amounting to $1000, would be needed to heatsuch a buildi
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