History of Refrigerator

Before the refrigerator was made people had trouble with storing their food. People had to dig the basements in their homes, by homes. They had to store their food in the cold dug out basement so the food won't get bad. Some people that lived by the mounts had the snow brought to them. People made the containers that would put the snow in and then store the foods in the containers. For the most part that were people's refrigerator.
The first know refrigerator was demonstrated by William Cullen. He made first artificial refrigerator in 1748, but he did not use the refrigerator for any practical purposes.The first refrigerator was built by Jacob Perkins in 1834 which was designed by Oliver Evens in 1805.
During 1800's the refrigerator's that were built had toxic gases ammonia to cool the closed space. In 1920 few of the accidents happened. The methyl chloride leaked out of the refrigerator. The scientist's efforts took the to discover a freon. In few years the compressors in refrigerators ha a freon. This refrigerators were in almost all homes.