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March 30, 1889


JAMA. 1889;XII(13):446-450. doi:10.1001/jama.1889.02400900014002

A Method of Generating Neutral Fumes of Ammonium Chloride or Bromide for Inhalation has been devised by Dr. Patrick William Maxwell, of Dublin. The instrument is made by Messrs. Anderson and Adams, 68 Grafton St., Dublin. It consists of a wide piece of glass tube, like the cylinder of an ordinary glass syringe, placed horizontally on two wooden uprights, About 15 grs. of ammonium chloride are introduced by a spoon through the wide end of this tube, and are placed in a little heap in the centre. The base is then lightly stopped with cotton wool. A lighted spirit-lamp, placed below the tube volatilizes the salt. A piece of india-rubber tubing with a glass mouthpiece is attached to the narrow end of the tube, by means of which the fumes are inhaled. A current of cold air rushing in by the large end of the horizontal tube mixes with the

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