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Scientific American, Vol. 97, No. 22 (1907) (1907)
leaf 10
NED WATER HEATER, FILTER, AND COOLER. place by means of a zinc cap electroplated on. The cured by Mr. William Chase, Jr., Indianapolis, Ind. One of the drawbacks to the use of the ordinary zine is covered by a coat of paraffin. Resting on the water cooler without a separate ice chamber is the… … IMPROVED BORING BAR. is set on a stove or range to boil the water, and thus © 1907 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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