h as that of evaporation alone. tines, would carry before it the air, which would be expelled saturated with water, escapes (Fig. 5). The refrigerator is In the apparatus shown in Fig. 1, the air conduit, C C, by turning the tap, 27. By means of an india rubber pipe passes through a casing, A B,… … which the air has to pass. This contrivance, which mani- fests ingenious details of construction, may have been ap- plied with success, but it is far from being sufliciently inex- received in a vase containing water. pensive, The steam escaping from the cylinder pene- By causing currents of air to…
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