
Cubical polyhedral sundial
1751-1800
1751-1800
1783
1785
1785
1836
1825-1835
1806
1815
2000-100 BCE
1776
1793-1803
1840
1837
1794
1837
1770-1800
1751-1800
1750-1800
1810-1840
1833
1771-1800
1810-1840
1777-1785
1778
1837
1820
1782
1822-1840
1774-1831
1825
1787
1803-1828
1764
circa 1840
1839
hallmarked 1788
1795-1805 (original)
1821-1831
1837
1839
1955; 1830
1826
1808
1799
1771-1830
1771-1830
1771-1830
1771-1830
1840
1802