File:Anti-gas curtain arrangements on dugout steps.png
Original file (587 × 1,088 pixels, file size: 502 KB, MIME type: image/png)
English: Diagram of anti-gas arrangements on the steps of a dug-out
|Source||(1923). Medical Services: Diseases of the War: Including the Medical Aspects of Aviation and Gas Warfare and Gas Poisoning in Tanks and Mines. History of the Great War Based on Official Documents by Direction of the Historical Section of the Committee of Imperial Defence II. London: HMSO. OCLC 769752656. Retrieved 13 September 2013.|
|Author||MacPherson, W. G.; Herringham, W. P.; Elliott, T. R.; Balfour, A.|
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1923. See this page for further explanation.
This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.
|This UK artistic work, of which the author is unknown and cannot be ascertained by reasonable enquiry, is in the public domain because it is one of the following:
This tag can be used only when the author cannot be ascertained by reasonable enquiry. If you wish to rely on it, please specify in the image description the research you have carried out to find who the author was.
The above is all subject to any overriding Publication right which may exist. In practice, Publication right will often override the first of the bullet points listed.
Unpublished anonymous paintings remain in copyright until at least 1 January 2040. This tag does not apply to engravings or musical works. More information.
You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
Click on a date/time to view the file as it appeared at that time.
|current||19:35, 21 October 2014||587 × 1,088 (502 KB)||Keith-264||User created page with UploadWizard|
- You cannot overwrite this file.