. Annual report of the American Institute, of the City of New York. Science. 216 Transactions of the American Institute. about one minute. "We dissolve the contents of this tin box (bicar- bonate of soda) in water and pour it into the extinguisher, then fill the extinguisher with water to within three inches of top. We now pour the contents of this glass bottle (acid) into the leaden bucket,' put in the lead stopper firmly, insert the bucket in the extinguisher and screw down the cap hard and tight. In case of fire, pull up the handle H, this draws out the stopper 0,'and the bucket A, tur
. Annual report of the American Institute, of the City of New York. Science. 216 Transactions of the American Institute. about one minute. "We dissolve the contents of this tin box (bicar- bonate of soda) in water and pour it into the extinguisher, then fill the extinguisher with water to within three inches of top. We now pour the contents of this glass bottle (acid) into the leaden bucket,' put in the lead stopper firmly, insert the bucket in the extinguisher and screw down the cap hard and tight. In case of fire, pull up the handle H, this draws out the stopper 0,'and the bucket A, turns bottom side up, as shown by dotted lines E, being only supported after the stopper is withdrawn by pivots at P P, thus discharging its contents into the carbonated water. Instantaneous chemical action takes place, supplying 100 pounds pressure to the square inch to throw the stream, and securing perfect readiness to play upon the fire in a few seconds of Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original American Institute of the City of New York. [S. l. : s. n. ]
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