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Even the smallest apparatus now on the market for the administration of artificial pneumothorax is unduly bulky and heavy to carry by hand. To obviate these difficulties the apparatus described herein, which, incidentally, costs practically nothing, has been found useful. It requires only one bottle, the gas container, the gas in this bottle being displaced by water that enters the container from a funnel. The neck of the bottle is fitted with a rubber stopper of the type shown in Figure 1 or smaller. This stopper has two perforations, one to hold the funnel stem, the other to hold the exit tube, which is made of glass bent at an angle. When the cork is in place in the bottle and water is poured into the funnel, the water will run into the bottle, displacing the air, which escapes by way of the exit tube, unless, as will happen under
Montgomery CM. APPARATUS FOR ARTIFICIAL PNEUMOTHORAX. JAMA. 1918;71(2):107–108. doi:10.1001/jama.1918.26020280001008