
Whitworth Planing Machine
circa 1842
circa 1842
circa 1832
circa 1846
1847-1848
1846
1830 (original); 1967 (model)
1829
1838
1801-1840 (original); 1901 (model)
1821
1820-1840
1825-1835
1831
1835
circa 1848
1838
1849
1775-1799 (original); 1900-1907 (model)
1849
1837
1844
1668; 1924
1610; 1923
1840
1845
1840
1842
1850
1837
1837
1822-1840
1850
circa 1840
1849
1841
1837
1826
1842
1840-1850
1827-1850
1848
1830-1850
1837
1850
1842
1834
1829
1832
1834
1834