Leadership

Fire Extinguishment by Carbonic Acid Gas.

Issue 4 and Volume 7.

Fire Extinguishment by Carbonic Acid Gas. With regard to the plan so often suggested of storing in each room of a building a supply of carbonic acid gas sufficient to displace, in case of fire, all the air, and thus smother the fire, it may not he out of the way to quote so eminent an authority as C. J. H. Woodbury of Boston, who, writing to a contemporary, says : “ Suppose we should have a supply of carbonic acid gas sufficient to displace the air in the rooms of the building. The gas must he kept under as great pressure as may be feasible ; and suppose that canisters should be used for the purpose, in the form familiar in connection with the lime light used for projecting pictures on a screen with the stereopticon, and also for theatrical purposes. These canisters, measuring 15 inches in diameter, have…

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