Category:De Bothezat helicopter
experimental helicopter, U.S. Army Air Service, 1922 | |||||
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English: de Bothezat helicopter
Media in category "De Bothezat helicopter"
The following 28 files are in this category, out of 28 total.
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De Bothezat Flying Octopus.jpg 500 × 192; 42 KB
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De Bothezat patent.png 660 × 725; 83 KB
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De Bothezat Quadrotor.jpg 592 × 242; 88 KB
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Helicopter, 1-12-23 LCCN2016852510.jpg 7,105 × 5,432; 2.47 MB
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Helicopter, 1-12-23 LCCN2016852510.tif 7,105 × 5,432; 36.81 MB