
Maudslay 's Lord Chancellor bench micrometer
1805
1805
1775-1799 (original); 1900-1907 (model)
1813-1814
1808
1805
1808
1809
1807
1863-7
1812
1815
circa 1805
1807
1815
1815
1893-4
1808
1807
1805
1812
1805-1815
1807
1812
circa 1808
1807
1814
2000-100 BCE
1813
circa 1810
1806
1811-1812
circa 1810
1814
1990-96
1805-1815
circa 1808
1808
1809
1705-1737
1815
1812
4000-2001 BCE
1806
1813
1809
1772 (original); 1919 (model)
1815
1610; 1923
1642-1649 (original); 1883 (model)
1668; 1924