Small screw-cutting device or fusee engine for clock-maker's use
circa 1800
circa 1800
circa 1805
1797-1804
1808
1809
1810-1817
1806
1815
1807
2000-100 BCE
1815
1798
1797
1893-4
1799-1802
1863-7
1820
1815
1808
1799
1802
1812
1805
1796-1797
1796-1798
1801-1823
1813
1807
circa 1810
1990-96
1808
1811-1812
1821
1820
1797
1801
1821
1821
1813
1805-1815
1821
1815
1809
1809
1775-1799 (original); 1900-1907 (model)
1806
1799
1705-1737
1796-1815
1801