Ofbyld:HE2G13.jpg

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HE2G13.jpg ‎(327 × 432 pixels, bestânsgrutte: 52 KB, MIME-type: image/jpeg)

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Gearfetting

BeskriuwingHE2G13.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.
Datum	circa 1907 date QS:P,+1907-00-00T00:00:00Z/9,P1480,Q5727902
Boarne	The U.S. Centennial of Flight Commission
Auteur	ÛnbekendUnknown © 2001 Smithsonian Institution, National Air and Space Museum, Videodisc. 2B 5847
Tastimming (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

Klik op in datum/tiid om it bestân te besjen sa't it op dat stuit wie.

	Datum/Tiid	Miniatuer	ôfmjittings	Meidogger	Opmerking
lêste	16 sep 2018, 05.18		327 × 432 (52 KB)	WikiPedant	adjusted levels
	8 feb 2010, 11.13		327 × 432 (46 KB)	File Upload Bot (Magnus Manske)	{{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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