model locomotion no 1
1825
1825
1827
1934
1832
1837
1826
1893-4
1834
1834
1834
1821-1831
1825-1835
1829
1837
1837
1837
1837
1835
1836
2000-100 BCE
1863-7
1833
1837
1838
1820
1826
1831
1955; 1830
1835
circa 1832
1837
1820-1830
1831
1838
1825
1990-96
1835
1835
1826
1826
1830
1833
1830
1824
1930 (replica); 1834 (original)
1821
1838
1821
1829
circa 1821-1825