The_Invention_of_the_Refrigerator
1.
The Invention of the Refrigerator• Prepared by: __________ and __________
2.
Why Was the Refrigerator Needed?• • Food spoiled quickly
• • Ice houses
• • Salting
• • Drying
• • Smoking
3.
William Cullen (1748)• • First demonstration of artificial refrigeration
• • University of Glasgow
• • Evaporation creates cooling
4.
Jacob Perkins (1834)• • First practical vapor-compression
refrigerator
• • Father of the Refrigerator
5.
Development in the 19th Century• • Used in factories and ships
• • Growth of food transportation
6.
Fred W. Wolf (1913)• • One of the first home electric refrigerators
• • Beginning of domestic refrigeration
7.
Refrigerator Timeline• 1748 – Cullen
• 1834 – Perkins
• 1876 – Linde
• 1913 – Wolf
• 1918 – Mass production
8.
Refrigerators Today• • Food preservation
• • Food safety
• • Reduced food waste
• • Smart technologies
9.
Conclusion• The refrigerator changed everyday life and
improved food safety.
10.
Sources• Whirlpool
• LG
• Live Science
• Scottish Inventions