1912 'helicopter' designed by German engineer, Otto Baumgaerte. It can rise without a start, remain motionless in the air a longer time, and be turned in desired direction. Two propellers, with six blades each, set upon the same axle. By means of the angles at which the rotors are set, they serve for raising and lowering purposes.

1912 'helicopter' designed by German engineer, Otto Baumgaerte. It can rise without a start, remain motionless in the air a longer time, and be turned in desired direction. Two propellers, with six blades each, set upon the same axle. By means of the angles at which the rotors are set, they serve for raising and lowering purposes.
SuperStock offers millions of photos, videos, and stock assets to creatives around the world. This image of 1912 'helicopter' designed by German engineer, Otto Baumgaerte. It can rise without a start, remain motionless in the air a longer time, and be turned in desired direction. Two propellers, with six blades each, set upon the same axle. By means of the angles at which the rotors are set, they serve for raising and lowering purposes. by Everett Collection is available for licensing today.
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DETAILS
Image Number: 4048-10128Rights ManagedCredit Line:Everett Collection/SuperStockCollection:Everett CollectionModel Release:NoProperty Release:NoResolution:3515×2490
1910s
20th Century|
aeronautics|
aviation|
Dresden|
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