First World War tech: Zeppelins
80 بار بازدید -
6 سال پیش
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First World War tech: Zeppelins
First World War tech: Zeppelins
When a German aristocrat Brigadier General Ferdinand Zeppelin retired from the army in 1891, he devoted himself to the study of aeronautics.
His proposals to the government for a lighter-than-air flying machine were rejected in 1894, but nevertheless he would invest all his money into a company producing airships.
By 1898 Zeppelin had constructed his first airship.
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6 سال پیش
در تاریخ 1397/05/09 منتشر شده
است.
80
بـار بازدید شده