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Icebox used in cafés of Paris in the late 1800s. An icebox (also called a cold closet) is a compact non-mechanical refrigerator which was a common early-twentieth-century kitchen appliance before the development of safely powered refrigeration devices.
A Crosley IcyBall with cold side ball on left, hot side ball on right. Icyball is a name given to two early refrigerators, one made by Australian Sir Edward Hallstrom in 1923, and the other design patented by David Forbes Keith of Toronto (filed 1927, granted 1929), [1] [2] and manufactured by American Powel Crosley Jr., who bought the rights to the device.
Kelvinator ad from 1920 Kelvinator refrigerator, c. 1926. The enterprise was established on September 18, 1914, in Detroit, Michigan, United States, by engineer Nathaniel B. Wales, who introduced his idea for a practical electric refrigeration unit for the home to Edmund Copeland and Arnold Goss.
It was first introduced to the United States in the 1920s, as companies were promoting the icebox as a kitchen appliance. [4] Its popularity rose in the 1920s and 30s, as it used many commercial shortcuts and pre-made ingredients, such as pre-packaged cookies instead of sponges or ladyfingers that people had to bake at home. [ 2 ]
The Einstein–Szilard or Einstein refrigerator is an absorption refrigerator which has no moving parts, operates at constant pressure, and requires only a heat source to operate. It was jointly invented in 1926 by Albert Einstein and his former student Leó Szilárd , who patented it in the U.S. on November 11, 1930 ( U.S. patent 1,781,541 ).
According to the Social Security Administration, the most popular baby names of the 1920s were “taken from a universe that includes 11,372,808 male births and 12,402,235 female births.”
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Pages in category "1920s photographs" The following 19 pages are in this category, out of 19 total. This list may not reflect recent changes. A.