In which year did Berliner invent a helicopter?
1919
1923
1927
1931
Answer
In 1919, Emile Berliner, a renowned inventor and engineer, made history by successfully developing and testing the first helicopter. His groundbreaking creation, known as the "Helicoplane," marked a pivotal moment in the realm of aviation. Berliner's invention featured a unique rotor system that generated lift and enabled vertical takeoff and landing, opening up new possibilities for aerial navigation.
The Remarkable Legacy of Emile Berliner: A Journey through His Revolutionary Inventions
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