1900 patent velocipede tandem bicycle archival history invention

1800th 1900 19th antique archival artifice bicycle bicyclist bike biker biking concept contrivance creativity cycle cycling cyclist design device elaboration engineering equipment gears history idea improvement industrial ingenuity innovation innovative invention inventioninvention inventiveness machine mechanism modernization modification notion old patent progress project rationalization resourcefulness rider steampunk tandem tech technical technics technology velocipede vintage wheel