File:PSM V29 D063 Stress line comparisons between pyramid and crystal structures 2.jpg

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Description Stress line comparisons between pyramid and crystal structures
Date
Source Popular Science Monthly Volume 29
Author Unknown authorUnknown author
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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
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current05:47, 15 September 2010Thumbnail for version as of 05:47, 15 September 2010920 × 500 (109 KB)Ineuw{{Information |Description = Stress line comparisons between pyramid and crystal structures |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_29.djvu/63 |Date = 1886 |Author = Unknown |Permission = {{PD-old}} |other_version

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