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DescriptionHE2G13.jpg	English: Cornu helicopter. Paul Cornu in his first helicopter in 1907. Note that he is sitting between the two rotors, which rotated in opposite directions to cancel torque. This helicopter was the first flying machine to have risen from the ground using rotor blades instead of wings.
Date	circa 1907 date QS:P,+1907-00-00T00:00:00Z/9,P1480,Q5727902
Source	The U.S. Centennial of Flight Commission
Author	UnknownUnknown © 2001 Smithsonian Institution, National Air and Space Museum, Videodisc. 2B 5847
Permission (Reusing this file)	PD-USGov

	This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
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2007-01-04 21:10 Signaleer 327×432× (47053 bytes) Paul Cornu in his first helicopter in 1907. Note that he is sitting between the two rotors, which rotated in opposite directions to cancel torque. This helicopter was the first flying machine to have risen from the ground using rotor blades instead of win

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current	03:18, 16 September 2018		327 × 432 (52 KB)	WikiPedant (talk \| contribs)	adjusted levels
	09:13, 8 February 2010		327 × 432 (46 KB)	File Upload Bot (Magnus Manske) (talk \| contribs)	{{BotMoveToCommons\|en.wikipedia\|year={{subst:CURRENTYEAR}}\|month={{subst:CURRENTMONTHNAME}}\|day={{subst:CURRENTDAY}}}} {{Information \|Description={{en\|''no original description''}} \|Source=Transferred from [http://en.wikipedia.org en.wikipedia]; transfer

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