Jump to content

File:HE2G13.jpg

Page contents not supported in other languages.
This is a file from the Wikimedia Commons
From Wikipedia, the free encyclopedia

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

Summary

Description
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

Licensing

Public domain
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.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

Original upload log

The original description page was here. All following user names refer to en.wikipedia.
  • 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

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

Paul Cornu

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current03:18, 16 September 2018Thumbnail for version as of 03:18, 16 September 2018327 × 432 (52 KB)WikiPedantadjusted levels
09:13, 8 February 2010Thumbnail for version as of 09:13, 8 February 2010327 × 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

The following 2 pages use this file:

Global file usage

The following other wikis use this file:

Retrieved from "https://en.wikipedia.org/wiki/File:HE2G13.jpg"