commensurate ventilation. Gas Ventilating Stove. 139 Gas Ventilating Stove, Perhaps the best contrivance for heating andventilating a room by means of gas is the gas-calorigen,drawn at fig. 108, which consists of a cylinder of wroughtiron, closed at top and bottom, in order that theburner in the… … with the necessary air, and the top one carrying awaythe products of combustion. The fresh air whichenters the stove interior comes into contact with theheated air which leaves it, thus regulating the flow, andalso economising the heat. The combustion of the gasbeing thus provided for without…
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