Refrigerator - by Melani
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Transcript of Refrigerator - by Melani
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The history of refrigerators
Melani Anderlin, 6th gradeII. osnovna škola Čakovec, Croatia
Teacher: Iva NaranđaeTwinning project On the Track of Our Recent Past
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Refrigerator
The refrigerator is a popular household appliance. It replaced the icebox.The first cooling systems for food involved using ice.
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• Before the invention of the refrigerator, icehouses were used to provide cool storage for most of the year.
• The history of artificial refrigeration began when a Scottish proffesor William Cullen designed a small refrigerating machine in 1755.
Schematic of Dr. John Gorrie's 1841 mechanical ice machine.
Ferdinand Carré's ice-making device
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Modern refrigerators
• People put food and drinks in it, to keep those items cold or good for a longer time.
• The most modern refrigerators are available in a variety of colours.
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Modern refrigerators
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• Food stored in a refrigerator or a freezer also has a limited shelf life.
• But times have changed, with manufacturers increasingly thinking outside of the icebox to try to redefine what the modern refrigerator is really capable of.
• Today, a shopper will find an ever-increasing range of color and style options.
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Refrigerators
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Sourcehttps://en.wikipedia.org/wiki/Refrigerator