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| An Otto highwheel bicycle with wooden spoked wheels, cast steering head with threaded forks and straight bars with grips; image credit on full record. |
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| The cast steering head and threaded forks on the Otto highwheel bicycle; image credit on full record. |
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| The cast seat on the Otto highwheel bicycle; image credit on full record. |
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| The Otto highwheel bicycle with wooden spoked wheels and straight bars; image credit on full record. |
