Watt's end measuring machine
1776
1776
1758-1769
1758-1769
1760-1770
1758-1769
1776-1780
1776-1780
1776-1780
1769
1757
1762
1762
1755
1782
1770
1758-1773
1762
1762
1761
1762
1762
1762
1762
1762
1778
1755
2000-100 BCE
1761
1762
1778
1764
1755
circa 1780
1770
1990-96
1760-1772
1771
1775
1758-1769
1758-1769
1776-1780
1776-1780
1705-1737
1755-1765
1760-1775
1765
1772 (original); 1919 (model)
1769
1775
1760-1775 probable date