model locomotion no 1
1825
1825
1827
1825
1829
1826
1808
circa 1810
1815-1825
1826
1806
1815
1807
2000-100 BCE
1815
1893-4
1863-7
1820
1815
1955; 1830
1810-1830
1812
1813
1820-1830
1807
1808
1809
1810-1817
1826
1990-96
1830
1823-1825
1808
1815-1825
1826
1822
1830
1811-1812
1821
1826
1820
1821
1821
1813
1824
circa 1821-1825
1821
1815
1806
1705-1737
1828