Model railway turntable
1850
1850
1845
1849
1855
1845
1842
1850
1832
1834
1834
1848
1854
1821-1850
1934
1848-1852
1833
1836
1854
1857
1842
1837
1845
1851
1837
1853
1840
1852
1849
1841
1837
1851
1839
1955; 1830
1826
1815-1825
1830-1850
1834
1835
1837
1829
1846
1835
1851
1850-1856
1827-1850
1825-1835
1815
2000-100 BCE
1820-1855
1855