Water-Cooler.
Description:
Patent for an improvement in water-coolers wherein the vessel for holding the water is surrounded with fibrous material that is kept saturated with water, the evaporation of which will absorb the heat from the water contained in the vessel in a manner well known to science.
Date:
October 20, 1880
Creator:
Barber, Edwin Louis
Item Type:
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Partner:
UNT Libraries Government Documents Department