American inventor Emile Berliner and his son Henry Berliner testing the Berliner helicopter at College Park.
College Park Maryland USA Date:1922, June 16 Duration:1 min 5 sec Sound:NO SOUND
Emile Berliner and his son Henry Berliner, and other people gather around the helicopter. Henry Berliner in Berliner helicopter taking off in short flights and re-landing. This is one of the first machines which fly forward after rising vertically. Several views of test flying of the Berliner helicopter.
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