Image: De Bothezat Quadrotor
De_Bothezat_Quadrotor.jpg (592 × 242 pixels, file size: 88 KB, MIME type: image/jpeg)
Description: Helicopter designed by George De Bothezat, making descent at McCook Field after remaining airborne for two minutes, 45 seconds.
Title: De Bothezat Quadrotor
Credit: Edison National Historic Site archives {04.300/02}
Author: National Park Service
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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