
Small screw-cutting device or fusee engine for clock-maker's use
circa 1800
circa 1800
1800
1800
1800
1800
1800
1800
2000-100 BCE
1990-96
1800
1800
circa 1800
mid-1800s
1772 (original); 1919 (model)
1705-1737
1775-1799 (original); 1900-1907 (model)
4000-2001 BCE
1936
300 BCE; 1905-1915
circa 1800
1798 (original); 1977 (model)
1800
1800
circa 1800
1800
1800
1800
1800
30 CE
1800
1800
30 CE
1800
1800
1800
1800
1800
1800
1800
1800
1800
20-400
30-200
20-500
1800
20-500
1972-3
circa 1800
1990-95
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