
Small screw-cutting device or fusee engine for clock-maker's use
circa 1800
circa 1800
1798
1802
1800
1800
1800
1800
1800
1800
1802
1802
1799-1802
2000-100 BCE
1799
1772 (original); 1919 (model)
1990-96
1775-1799 (original); 1900-1907 (model)
mid-1800s
1705-1737
1800
1799
1800
circa 1801
1801
4000-2001 BCE
1799
1801
circa 1800
1801
1936
300 BCE; 1905-1915
1836-02
circa 1800
1798 (original); 1977 (model)
1800
1800
circa 1800
1801
1798
1801
1798
1800
1799
1800
1801
1798
1800
1800
1802
30 CE