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Updated: May 26, 2025
The subject was a veritable hobby with the founder of the Royal Institution all his life. He studied the heat-transmitting and heat-reflecting properties of various substances, including such directly practical applications as rough surfaces versus smooth surfaces for stoves, the best color for clothing in summer and in winter, and the like.
If Professor Dewar's vacuum vessel can reduce the heat-transmitting capacity of a vessel by almost ninety-seven per cent., why should not the same principle, in modified form, be applied to various household appliances to ice-boxes, for example, and to cooking utensils, even to ovens and cook-stoves?
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