Frederick McKinley Jones (Inventor Portable Refrigerator) - Black History Month - History Makers

portable refrigerator truck invented by great ferdinand phillippe edouard carre in 1844 portable air cooling unit invented by great yank willis haviland carrier in 1902 self service ticket machine invented by great englishman thomas edmondson in 1840 snowmobile invented by great igor sikorsky in 1911 thermometer invented by great philo mechanicus of byzantium greece in 280bc

Love teaching my class with the videos...keep it up

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You all are the eatest-gray! Love this channel! Thanks so much for the high quality content about history.