Word: fahrenheit
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Dates: during 1880-1889
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...down, and there should be ventilators over the doors." And again, "cold air should always enter near the top of the room, through the ventilator or over the upper sash, according to the direction of the wind." The temperature comfortable to the majority of persons is given as 68 Fahrenheit, and open fire-places, grates or open stoves are recommended as the best heating apparatus. "Any of these," he says, "ensures almost perfect ventilation, as well as supplies a pleasant and healthy warmth." Again as to sleeping rooms we find "the air should not be very cold. In winter either...