File:PSM V57 D420 Compressed air wagon of about 1810.png

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Summary

Description	English: Compressed air wagon of about 1810
Date	1900
Source	Popular Science Monthly Volume 57
Author	Unknown authorUnknown author

Licensing

Public domain	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, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.	United States
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