
Whitworth Planing Machine
circa 1842
circa 1842
1853-1857
circa 1846
1847-1848
1846
1830 (original); 1967 (model)
1845-1855
1860s
1838
1801-1840 (original); 1901 (model)
1860
1851
1858
1860
1835
1845-1855
1851
circa 1848
1855
1838
1849
1853-1857
1850-1860
1858
1775-1799 (original); 1900-1907 (model)
1849
1837
1844
1845-1855
1843-1853
1668; 1924
1610; 1923
1843-1853
1840
1845
1850-1859
1853
1855
1846-1859
1854
1840
1842
1850
1837
1837
circa 1854
1850
circa 1854
circa 1840
1850-1860