1869 Cooling Cups and Dainty drinks by William Terrington

126

Refrigeration .

known here to

be

great

in as

request as in

They afford always a draught of

that country.

water, by being

filled from the

cool

deliciously

spring and kept at hand. By means of the double wall and the self-acting valve, the contents of the pitcher are completely shut off from the influence of the surrounding atmosphere; and so complete is the isolation, that by experiment 14-lb. of Wenham Lake ice, put into 3 pints of water in the pitcher, at 71 ° Fahrenheit, took seven hours to melt, the water remaining cold for many hours afterwards. The same principle renders them as useful for hot water in winter as for iced water in summer, as they can be used as a substitute for the urn in summer at the tea-table, if not otherwise requii’ed. The Water-Car Caraffe Freezer, or Improved Cham- pagne Frappd Pail, is a great acquisition in a family. The Patent Freezing Jug consists of two cylinders, the outer being a double case forming the jug, in which is put a small quantity of cold spring water ; the inner cylinder is then inserted, causing the water to rise to the top of the jug, completely surrounding the tube. Into this tube, by means of a funnel, is put a certain quantity of freezing powder, and cold water added, till the tube is full. By stirring and agitating the freezing liquid in the