
Watt's end measuring machine
1776
1776
1778
1776
1780
2000-100 BCE
1778
1776-1780
1776-1780
1776-1780
1772 (original); 1919 (model)
1990-96
circa 1780
1780
1776
1705-1737
1778-1780
1780
1776-1780
1776-1780
4000-2001 BCE
1850-1899
1774; 1923
1778-1780
1642-1649 (original); 1883 (model)
2000-100 BCE
1780
30
1-79 CE; before 1914
1801-1700
1777
1991-1783 BCE
5000-500 BCE
2000 BCE
1991-1786 BCE
1901-1936; 180 BCE
1871-1900 (copy); 618-907 CE (original)
1871-1900 (copy); 618-907 CE (original)
1871-1900 (copy); 618-907 CE (original)
1777
1780
1913; circa 900 CE
1730-1760 (original); 1931-1939 (replica)
1773 (original); 1980s
1780
1-79 CE; before 1914
1779
2000-1350
2000-1350
2000-1350
2000-1350