
Whitworth Planing Machine
circa 1842
circa 1842
circa 1832
1830 (original); 1967 (model)
1829
1838
1801-1840 (original); 1901 (model)
1821
1820-1840
1825-1835
1831
1815-1825
1835
1819
1838
1775-1799 (original); 1900-1907 (model)
1837
1844
1668; 1924
1610; 1923
1840
1845
1840
1842
1837
1837
1822-1840
circa 1840
1841
1837
1826
1842
1837
1842
1834
1829
1832
1834
1834
1845
1845
1842
1893-4
1837
1830
1840
1825
1836
1834-1844
1837
1820