
Maudslay 's Lord Chancellor bench micrometer
1805
1805
1775-1799 (original); 1900-1907 (model)
1805
circa 1805
1893-4
1805
2000-100 BCE
1990-96
1705-1737
1804
4000-2001 BCE
1772 (original); 1919 (model)
1610; 1923
1642-1649 (original); 1883 (model)
1668; 1924
1936
2050-1750 BCE
1990-95
1798 (original); 1977 (model)
300 BCE; 1905-1915
1845-1964
1805
1805
2000-100 BCE
1883-01
1730; 1967
1836-02
1889-02
circa 3000 BCE
1804
1804-1805
2000 BCE
1804
1805
1804-1805
circa 1830
1805
1805
1676; 1840-1865
1804
1805
1804
1805
1793-1803; 1925
2000-500 BCE
2000-500 BCE
2000-500 BCE
1991-1786 BCE
1991-1786 BCE
2000-500 BCE