31 gen 1920 anni - George Darrieus a frenchman invented the Darrieus Turbine which has been given the nickname "eggbeater windmill". The design was the first vertical axis wind turbine and was given the nickname because of its 2-3 blade design shaped like an eggbeater which is still being used in wind turbines till this day
Aggiunto al nastro di tempo:
Data:
31 gen 1920 anni
Adesso
~ 105 years ago