
Prototype bicycle with variable stroke
1982
1982
1981-1982
1982
1981
(1962); 1982
1981
2000-100 BCE
1982
1982
1981
1981
1839 (original); circa 1988 (replica)
1982
1982
1981
4000-2001 BCE
1903 (original); 1982 (model)
1981
1990-95
1981
1982
1982
1982
1981
1982
1982
1982
1982
1982
1982
30 CE
30 CE
2686-2613 BCE
1982
1982
1981
1981
1859; 1986
1982
1982
circa 1981
1982
1982
1981
1982
1981
1982
1981
2000-500
1981