Model of Rotative Beam Engine by William Tongue, c. 1804
1797-1804
1797-1804
circa 1805
circa 1800
2000-100 BCE
1798
1797
1893-4
1799-1802
1799
1802
1805
1990-96
1799
1772 (original); 1919 (model)
1775-1799 (original); 1900-1907 (model)
1705-1737
mid-1800s
1797
1801
4000-2001 BCE
1801
1797
1801
circa 1800
1805
1804
1888-185
1801-1800
1800
1803
1805
1883-01
1800
1972-3
circa 1800
1945-50
1800
1990-95
1805
1805
1804
1805
1803
1797
30 CE
1800
30 CE
1800
1798
1805