Image:Various gas masks WWI.jpg
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This is a file from the Wikimedia Commons. The description on its description page there is shown below. |
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Summary
| Description |
Various types of gas masks used during the war |
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| Source |
"The Literary Digest History of the World War", volume V, p. 55. |
| Date |
1920 |
| Author |
Halsey, Francis Whiting, |
| Permission |
First published in the USA before 1923. |
Licensing
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This image is in the public domain in the United States. In most cases, this means that its first publication was in the United States prior to January 1, 1923 or that its copyright expired in the United States. |
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This image might not be in the public domain outside of the United States (this especially applies in Canada, China (not Macao or Taiwan), Germany or Switzerland). The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details. |
File links
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