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January 9, 1909

The Air and Ventilation of Subways.

JAMA. 1909;LII(2):151. doi:10.1001/jama.1909.02540280065025

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This volume is the outgrowth of studies carried on by Soper on the air of the New York subway. It includes a discussion of the characteristics of good air and bad air, the bearing of subways on health, methods of ventilating subways, the air of European subways, and especially the air of the New York subway and the health of New York subway employés. It is in the main clearly and accurately written, and is a valuable contribution to the subject of which it treats. Occasionally a somewhat loose statement is noted, as on page 77, where the death rate among the employés in a London subway is compared with the death rate for the whole London population. Soper concludes his own thorough study of the conditions in the New York subway with the statement that the most objectionable feature of the air was the dust, which consisted chiefly of

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