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Cubical polyhedral sundial
1751-1800
1751-1800
1750-1850
1783
1785
1785
1836
1842
1785
1790-1819
1790-1819
1790-1819
1790-1819
1790-1819
1725-1755
1755
1845
1735-1754.
1735-1752
1701-1752
1750-1795
1701-1752
1798
1762
1700-1752
1797
1752
1752
1745-1755
1750
1735-1753
1793-1803
1849
1840
1850
1837
1794
1837
1821-1850
1750-1800
1810-1840
1833
1810-1840
1822-1840
1850
1825
1803-1828
circa 1840
1795-1805 (original)
1821-1831
1849