
Model of Rotative Beam Engine by William Tongue, c. 1804
1797-1804
1797-1804
circa 1800
1785-1789
1780-1800
1790-1819
1790-1819
1790-1819
1782-1793
1808
1790-1819
1785-1790
1790-1819
1790-1819
1790-1819
1790-1819
1809
1790-1819
1790-1819
circa 1810
1835
1801-1830
1801-1830
1801-1830
1780-1820
1801-1830
1815-1825
1810-1830
1831
1835
1820-1830
1807
2000-100 BCE
1815
1784
1798
1797
1799-1802
1793-1803
1794
1833
1820
1782
1825
1787
1803-1828
hallmarked 1788
1815
1795-1805 (original)
1821-1831
1955; 1830