1891 patent velocipede wheel bicycle archival history invention |
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navigate by keyword : 1800th 1891 19th and antique archival archive artifice bar bicycle bicyclist bike biker biking boot chain concept contrivance crank creativity cycle cycling cyclist design device drive elaboration engineering equipment fork frame gears handle history idea improvement industrial ingenuity innovation innovative invention inventionn inventiveness machine mechanism modernization modification notion old patent progress project rationalization resourcefulness rider speed sprocket steampunk switch tech technical technics technology velocipede vintage wheel |
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1891 Patent Velocipede wheel Bicycle archive history invention |
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