File:History periodic table.PNG
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History_periodic_table.PNG (639 × 550 pixels, file size: 401 KB, MIME type: image/png)
[edit] Summary
From Chemical News 1866
[edit] Licensing
This work is in the public domain. This may be because its copyright term has expired, or because the copyright holder has explicitly waived all legal rights to the work. |
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current | 08:42, 18 November 2011 | 639×550 (401 KB) | Paul Wormer (talk | contributions) | (From Chemical News 1866) |
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