Ancient Heating.

Issue 11 and Volume 1893 13.

Ancient Heating. A very old method of heating dwellings, and one which is still practiced considerably in China and some other oriental countries, and which was known to the Greeks and Romans, was based on good sense and economical principles. This method consisted in having a space of from three to ten inches between the floors through which the heat and smoke traveled to an opposite wall, where provision was made to have the heat and smoke run up flues to the second floor, and then pass through a similar space under the second floor. Of course, the spaces between floors were fireproof, and were made accessible from top covering, so that repairs or cleaning might be readily done when required. We have no record of the manner in which the heat was generated and conveyed to the ducts under the floors, or how the smoke was finally carried from…

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