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September 21, 1907


Author Affiliations

Associate Professor and Director Department of Physicial Instruction of the College of the City of New York; President of the Society of College Gymnasium Directors. NEW YORK CITY.

JAMA. 1907;XLIX(12):1027. doi:10.1001/jama.1907.25320120049003a

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So far as I am aware there is no spirometer tip on the market which can be cleaned easily. In view of the thousands of spirometer tests that are made each year in our various gymnasiums, this fact assumes a serious hygienic significance. A recognition of these facts justifies me, I believe, in presenting this device to the medical profession and particularly to those men engaged in anthropometric work.

This mouth-piece (A) is made of wood, bevelled on one end to fit easily between the lips. The other end is made to fit snugly in the bore of the rubber tubing (B) which leads to the spirometer. These may be made anywhere. The Narragansett Machine Company of Providence, R. I., has furnished me with tips at the rate of three dollars a thousand. Each mouth-piece is used but once. It is then thrown away. At one-third of a cent apiece

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