model locomotion no 1
1825
1825
1826
1833
1815-1825
1827
1934
1834
1834
1834
1821-1831
1835
1825
1825-1835
2000-100 BCE
1893-4
1863-7
1820
1831
1815
1955; 1830
1835
circa 1832
1820-1830
1831
1815
1815
1829
1832
1826
1821
1826
1775-1799 (original); 1900-1907 (model)
1990-96
1830
1830-1835
1815
1833
1829
1823-1825
1821
1821
1826
1832
1815-1825
1820
1822
1705-1737
1828
1870-1877
1824