
Slotting machine
1835
1835
1838
1801-1840 (original); 1901 (model)
1839 (original); circa 1988 (replica)
1844
1840
1842
1837
1837
1837
circa 1840
1839
1843
1841
1837
1839
1955; 1830
1842
1837
1838
1835
1841
1893-4
1838
1863-7
2000-100 BCE
1836
1842
1837
1842
1840
1844
1934
1837
1844
1840
1842
1841
1838
1837-1840
1839
1840
1772 (original); 1919 (model)
1839
1839
1839
1990-96
1830 (original); 1967 (model)
1775-1799 (original); 1900-1907 (model)
1835