
Whitworth Planing Machine
circa 1842
circa 1842
1830 (original); 1967 (model)
1838
1801-1840 (original); 1901 (model)
1835
1838
1775-1799 (original); 1900-1907 (model)
1837
1844
1668; 1924
1610; 1923
1840
1845
1840
1842
1837
1837
circa 1840
1841
1837
1842
1837
1842
1845
1845
1842
1893-4
1837
1840
1836
1837
1839
1843
1840-1845
1955; 1830
1642-1649 (original); 1883 (model)
1839
1838
1835
1837
1840
1841
1838
1844
1844
1835-1845
1863-7
2000-100 BCE
1934
1772 (original); 1919 (model)