model locomotion no 1
1825
1825
circa 1840
1827
1934
1832
1845
1845
1841
1837
1826
1842
1845
1893-4
1834
1834
1834
1825-1835
1829
1837
1837
1840
1837
1839
1842
1837
1835
1836
2000-100 BCE
1835-1845
1841
1863-7
1833
1834-1844
1837
1838
1826
1831
1839
1843
1840-1845
1955; 1830
1844
1844
1835
1840
circa 1832
1837
1831
1838
1825