Otto Lilienthal’s glider
Otto Lilienthal’s glider
The German engineer Otto Lilienthal was the first person to make successful flights with a glider designed by himself.
Lớp 1 – 12
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The German engineer Otto Lilienthal was the first person to make successful flights with a glider designed by himself.
Lớp 1 – 12
Từ khoá
mozaLink
/Weblink