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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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20 ore 2 min, 14 sett 1939 anni - World’s 1st practical helicopter, the VS-300 designed by Igor Sikorsky
Aggiunto al nastro di tempo:
Timeline of 1939
By
Abraham Grahqm
31 ago 2017
0
0
811
Data:
20 ore 2 min, 14 sett 1939 anni
Adesso
~ 86 years ago
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