File:1889 Gymnote Gyroscope.jpg
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Size of this preview: 490 × 599 pixels. Other resolutions: 196 × 240 pixels | 392 × 480 pixels | 721 × 882 pixels.
Original file (721 × 882 pixels, file size: 132 KB, MIME type: image/jpeg)
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:35, 14 November 2010 | | 721 × 882 (132 KB) | commons>Rbmn | {{Information |Description={{en|1=In 1889, Arthur Krebs added an electric motor of his own to the Dumoulin (builder of the Foucault gyrocope) marine gyrocope, in order to give a gyrocompass to the french experimental submarine ''Gymnote''. Giving the |
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