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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
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Heat Control Devices of the Past
Category:
Autre
mise à jour avec succès:
24 nov. 2017
2017 Nov 23
0
0
532
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Created by
Eric Wang
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Les événements
Rounded blades began to appear
Emerson Electric introduced the silver swan
Philip Diehl patented the ceiling fan
Air Conditioning was invented by Willis Carrier, which decreased the popularity of fans
Fans with more than 2 blades were produced
Oscillating Fans began to appear
Périodes
Fans were made for residential use.
WWII, Fan makers stopped production so resources could be used on the war
Schyular Skaats Wheeler invented the first electric fan. It had two blades, powered by an electric motor
Fans with overlapping blades were invented
During WWI, fans were hard to make due to brass shortages from ammunition production
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