
Whitworth Planing Machine
circa 1842
circa 1842
1847-1848
circa 1846
1830 (original); 1967 (model)
1846
1838
1801-1840 (original); 1901 (model)
1838
1849
1775-1799 (original); 1900-1907 (model)
1849
circa 1848
1844
1837
1668; 1924
1610; 1923
1840
1845
1642-1649 (original); 1883 (model)
2000-100 BCE
1840
1842
1850
1837
1837
1837
1850
circa 1840
1839
1843
1849
1841
1837
1840-1845
1839
1955; 1830
1842
1849
1840-1850
1846
1848
1837
1850
1838
1837
1842
1836
1847
1845
1845