25 apr 1902 anni - Air Conditioner
Descrizione:
In 1902, the first modern electrical air conditioning unit was invented by Willis Carrier in Buffalo, New York. It was a device to blow cold air into a space. It helped people cool off when they were inside of hot places.https://en.wikipedia.org/wiki/Air_conditioning
Aggiunto al nastro di tempo:
Data:
25 apr 1902 anni
Adesso
~ 123 years ago