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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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20 h 2 min, 14 sept. 1939 ans - World’s 1st practical helicopter, the VS-300 designed by Igor Sikorsky
Ajouté au bande de temps:
Timeline of 1939
By
Abraham Grahqm
31 août 2017
0
0
809
Date:
20 h 2 min, 14 sept. 1939 ans
Maintenaint
~ Il y a 86 ans
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