File:Macewen's Triangle demonstration.jpg

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Description
English: William Macewen (1848-1924) demonstrating his triangle to a group which includes Lane, Hirschfelder, Barkan, Stillman.
Date Unknown date
Unknown date
Source http://ihm.nlm.nih.gov/images/B17743
Author Unknown authorUnknown author

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Date/TimeThumbnailDimensionsUserComment
current09:39, 23 July 2012Thumbnail for version as of 09:39, 23 July 20121,457 × 1,140 (222 KB)commons>Materialscientist{{Information |Description ={{en|1=William Macewen (1848-1924) demonstrating his triangle to a group which includes Lane, Hirschfelder, Barkan, Stillman. }} |Source =http://ihm.nlm.nih.gov/images/B17743 |Author =Unknown |Date ...

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