Why refrigerator were made and when
Answers
it's made for preserve the food for little long time. . . when compared to not refrigeratored food. . .
Artificial refrigeration began in the mid-1750s, and developed in the early 1800s. In 1834, the first working vapor-compression refrigeration system was built. The first commercial ice-making machine was invented in 1854. In 1913, refrigerators for home use were invented.
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The first ice making machine used for practical food purposes such as meat packing and brewing was invented by James Harrison in 1857. This same concept was made more complex in 1859 by Ferdinand Carre in 1859. This newly developed system didn’t use compressed air to cool, but instead used ammonia. Later, in 1876, Carl von Linden, a German engineer, established the process of liquefying gas which is a crucial aspect of refrigeration technology. The first widely used refrigeration system was released by General Electric in 1927. Beginning in the 1920s Freon was used and marketed as a lower toxicity alternative to the substances used in previous refrigeration units.
It is mostly used to preserve food and other perishable items, preventing foodborne illnesses. It works because bacteria growth is slowed at lower temperatures. Methods for preserving food by cooling have been around for thousands of years, but the modern refrigerator is a recent invention.
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