File:US2172670-Figure 1.png
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:55, 13 February 2015 | 1,496 × 1,568 (335 KB) | MichaelFrey | Crop and Rotate | |
18:45, 13 February 2015 | 2,320 × 3,408 (67 KB) | MichaelFrey | {{Information |Description={{en|Bourke engine}}{{de|Kurbelschlaufenmotor}} |Source=https://www.google.com/patents/US2172670 |Date= 12. Mai 1936 |Author= Russell L. Bourke |Permission={{PD-US-patent-no notice}} |other_versions= }} |
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