
Maudslay 's Lord Chancellor bench micrometer
1805
1805
1819
1817
circa 3000 BCE
1810
1812
1824
1804-1805
1820
1819
1807
1824
1810-1819
1810
1823
1819
1814
1822
1814
1817
1823
1813
1817
1817
1820-1824
100 BCE-300 CE; 1890-1920
2000-1350
1823
1972-3
2000-1000
1851-1800
1816
1901-950
1823
1822
1805-1820
1819
15/7/27
1815
1822
1821
1814
1814-1824
1816-1821
1821
15/7/27
1840-160
1816
circa 3000 BCE
3000 BCE