Cotton Bale Breaker
1911
1911
1912
1955; 1830
c.1912
1934
2000-100 BCE
1911
1912
1705-1737
1930 (replica); 1834 (original)
1911
1903 (original); 1982 (model)
1772 (original); 1919 (model)
c.1912
c.1912
c.1912
c.1912
1990-96
1934
1830 (original); 1967 (model)
4000-2001 BCE
1801-1892 (prepared); 1946 (element replaced)
1962-05
1970-1900
10000-5000 BCE
1912
1912
1912
1912
1912
1912
1912
1912
1912
1911
1912
1713-1750
1912
1912
1912
1911
1800-1830
1912
1912
1912
1912
circa 1912
1912
1911
1800-1830