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63. How to Reduce the Temperature of Sick-rooms and t0 Keep them Cool. —In very warm weather it is often desirable, for the comfort of the patient to have the room considerable cooler than the natural atmosphere. In such cases raise the lower sashes entirely upon the side of the room from which the breeze comes; then have a piece of muslin soaking wet, squeeze-slightly, and tack it on so as to make all the air come in through the wet muslin, which -will reduce the temperature of the room 5 or 6 degrees in a few-minutes. This is done by the absorption of a part of the heat in the atmosphere by the passing of the water in the muslin from its liquid to a gaseous, state (a principle well known in philosophy), and the air of the room becomes, more moist also, which makes it more endurable.
Remar7c&—It only needs trying to satisfy the most incredulous, and it will benefit the very feeble patient more than enough to pay everyone for the trouble-taken. As the cloths become dry, replace them with others; or keep them well wet with a sponge.
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