File:Perrin gamboge column.webp
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Original file (1,140 × 750 pixels, file size: 28 KB, MIME type: image/webp)
Summary
| Description | Counts at four heights in one of Jean Perrin's gamboge preparations (grain radius 0.212 µm, cell 100 µm deep, 13,000 grains counted), drawn by code from the numbers printed in Les Atomes (1913), with the geometric progression he compared them to. |
| Date | 2026-10-25 |
| Author | Drawn for Molecupedia |
Licensing
 | Copyright Molecular Reality Corporation. Used on Molecupedia with permission. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:00, 25 October 2026 | | 1,140 × 750 pixels | PicoampPedant (talk | contribs) | Uploaded own work |
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