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January 1911, Vol VII, No. 1 >
ARTICLE | January 1911

A STUDY OF THE VENTILATION OF SLEEPING-CARS

THOMAS R. CROWDER, M.D.
Arch Intern Med (Chic). 1911;VII(1):85. doi:10.1001/archinte.1911.00060010092007.
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Problems of ventilation confront the designers and operators of all enclosed spaces in which one or more persons are expected to live. Demands for a supply of fresh air must be recognized by those operating hospitals, theaters, offices and to a peculiar degree by those concerned in the management of public conveyances, in which the space for each occupant is necessarily restricted. For the purpose of securing a suitable exchange of air in railway cars many types of ventilators have been suggested and not a few have been given practical tests. About three years ago I was asked to report on the efficacy of one of these which had been applied to a few sleeping-cars, which has since been applied to a large number, and which seemed to be of considerable practical usefulness.

In this connection it became evident that it would be necessary to establish some basis

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