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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.
1920 newspaper ad featuring Wales' Kelvinator refrigerator. Nathaniel Brackett Wales (11 July 1883, Braintree, Massachusetts – November 15, 1974) was an American inventor credited with early patents on refrigerators, washers, vacuum cleaners, and co-inventor with his son of the proximity detonator used in bombs in World War II.
Electrical refrigerators were introduced in 1918, and by 1925, Leonard was building one out of every five refrigerators produced in the United States, which amounted to 1000 refrigerators per day. [1] Leonard merged with Kelvinator in 1926. The Leonard brand of appliances continued to be sold exclusively through Leonard dealers, as well as ...
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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 ).
Frigidaire refrigerator at the Hallwyl Museum 1922 Frigidaire "iceless" refrigerator newspaper ad. Frigidaire oven with "Division of General Motors" on the front. Frigidaire also produces a wide variety of refrigerators and freezers for the consumer market. Their model line-up includes refrigerator freezer units of several different types.