52.69K
AI

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
English     Русский Rules