DescriptionGrumman J2F Duck 3-view line drawing.png
English: A 3-view line drawing of the Grumman J2F Duck.
Date
Unknown date
Source
NavAer 01-220QA-1, page III. Scanned and provided via email by the Emil Buehler Naval Aviation Library at the National Naval Aviation Museum.
Author
Bureau of Aeronautics, Navy Department
Licensing
This image is in the public domain because it is a mere mechanical scan or photocopy of a public domain original, or – from the available evidence – is so similar to such a scan or photocopy that no copyright protection can be expected to arise. The original itself is in the public domain for the following reason:
Public domainPublic domainfalsefalse
This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
This tag is designed for use where there may be a need to assert that any enhancements (eg brightness, contrast, colour-matching, sharpening) are in themselves insufficiently creative to generate a new copyright. It can be used where it is unknown whether any enhancements have been made, as well as when the enhancements are clear but insufficient. For known raw unenhanced scans you can use an appropriate {{PD-old}} tag instead. For usage, see Commons:When to use the PD-scan tag.
Note: This tag applies to scans and photocopies only. For photographs of public domain originals taken from afar, {{PD-Art}} may be applicable. See Commons:When to use the PD-Art tag.
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Uploaded a work by Bureau of Aeronautics, Navy Department from NavAer 01-220QA-1, page III. Scanned and provided via email by the Emil Buehler Naval Aviation Library at the National Naval Aviation Museum. with UploadWizard