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It is always advisable to regulate the warmth of the room by means of a thermometer, instead of leaving it to the feeling of parent or nurse, and the heat should be kept as regular as possible, the mercury standing at 65° Fahr. Thus when white shirting absorbed heat to raise it to 100° F. pale-straw shirting ,, ,, 102° ,, dark-yellow ,, „ „ 140° ,, light-green ,, ,, „ 155° ,, dark-green „ „ „ 168° „ turkey-red ,, „ ,, 165° ,, light-blue „ „ „ 198° „ black „ „ „ 208° „ Scientific facts are, therefore, in agreement with the facts of experience in testifying that light- coloured garments are coolest for summer wear, and dark-coloured warmest for winter wear, not because they conduct the heat differently, but because the light garment absorbs least of the sun's rays and black absorbs most.
