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To the Editor:
—Many physicians and surgeons find it difficult to apply antiseptic powders to wounds properly. A powder blower that will apply the powder evenly, lightly and not wastefully, over the edges of wounds has not yet been offered to the public. Some surgeons use a pledget of cotton with dressing forceps, but this is unsatisfactory as it requires that the powder be poured out on a paper. I have used an envelope for a number of years with much satisfaction and a great saving of powder. It is used as follows: Place 15 or 20 grains of any powder, the finer the better, in an ordinary druggists' prescription envelope, which should then be sealed tightly and the tip of one of the corners torn off. Now take up the envelope between the thumb and fingers, gently press the sides so as to make a little air space and
Newman SA. An Envelope Powder Shaker. JAMA. 1909;LIII(15):1205. doi:10.1001/jama.1909.02550150061015
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