File:Britannica Bicycle Ball-bearing Ratchet Free-wheel.jpg
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Britannica_Bicycle_Ball-bearing_Ratchet_Free-wheel.jpg (215 × 214 pixels, file size: 57 KB, MIME type: image/jpeg)
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:24, 13 April 2009 | 215 × 214 (57 KB) | Bob Burkhardt | {{Information |Description={{en|1=Cross sectional diagram of a ball-bearing ratchet style freewheel.}} |Source=1911 Encyclopædia Britannica, Vol. 3, p. 916 |Author=unknown |Date=1911 |Permission={{PD-Britannica}} |other_versions= }} Caption: {{small-cap |
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