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File:PSM V62 D075 Clamshell bucket of automatic unloader.png

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Summary

Description
English: Clamshell bucket of automatic unloader
Date between 1902 and 1903
date QS:P,+1902-00-00T00:00:00Z/8,P1319,+1902-00-00T00:00:00Z/9,P1326,+1903-00-00T00:00:00Z/9
Source Popular Science Monthly Volume 62
Author Unknown authorUnknown author

Licensing

Public domain
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
United States
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.

File history

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Date/TimeThumbnailDimensionsUserComment
current01:06, 15 August 2011Thumbnail for version as of 01:06, 15 August 2011803 × 983 (212 KB)Ineuw
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