1. Stevan Dedovic & Nick Cotshott 18th Century 20th Century The Evolution Of Refrigerators 11th Century 19th Century 21th Century

5. 1834- first practical fridge made by Jacob Perkins

6. 1844- improved fridge made by John Gorrie

8. 1859- Ferdinand Carre developed a fridge that works on ammonia instead of air.

9. 1840’s- Refrigerated train cars transported dairy products and seafood

11. The look of fridges plays a major role in the making of them

12. More options, sold commercially

13. Modern industrial fridges made

14. Modifying done on older modelsRefrigerated Boat

16. New Features

17. Custom Bodies

18. Multiple Functions

19. Luxury

21. The Impact of Refrigeration On Environment Electricity is used- has to be made Produces waste- used lamps, broken parts, ect. Refrigerator coolant With food lasting longer, less waste is produced On Humans Food can last longer Less contamination Cold products when needed Transportation of products is easer