File:Britannica Density 4.jpg
Britannica_Density_4.jpg (70 × 152 pixels, file size: 3 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:22, 22 January 2011 | 70 × 152 (3 KB) | Keith Edkins | {{Information |Description={{en|Tube used in Meyer’s “Mercury Expulsion” Method.}} |Source=Encyclopædia Britannica, 1911 |Author={{Gutenberg|no=30685|name=Encyclopædia Britannica, Volume 8, Slice 2.}} |Date=1911 |Permission= |other_versions= }} <! |
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