File:Igor Sikorsky 300.jpg

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Igor_Sikorsky_300.jpg ‎(600 × 446 pixels, file size: 144 KB, MIME type: image/jpeg)

This file is from Wikimedia Commons and may be used by other projects. The description on its file description page there is shown below.

Summary

Description
English: Sikorsky 300 (VS-300A, NX 28996)
Date
Source archives.gov
Author Unknown authorUnknown author


Licensing

This work is in the public domain in the United States because it was published in the United States between 1930 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.

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Flag of the United States

Captions

Vought-Sikorsky VS-300, 3-blade Single Rotor Helicopter, 1937.

Items portrayed in this file

depicts

Vought-Sikorsky VS-300

inception

15 September 1937

File history

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Date/TimeThumbnailDimensionsUserComment
current18:13, 14 July 2018Thumbnail for version as of 18:13, 14 July 2018600 × 446 (144 KB)wikimediacommons>FOX 52User created page with UploadWizard

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Metadata

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