
Cubical polyhedral sundial
1751-1800
1751-1800
circa 1832
1775
1838
1771-1830
1788
1770
1846
1839 (original); circa 1988 (replica)
1791
1834-1836
1837
1794
1837
1849
1842
1742
1740-1753
1850
circa 1840
1827-1850
circa 1800
1830-1840
1735-1754.
1834
1832
1845
circa 1750
1752
1762
1750
1750-1795
1798
1755
1735-1752
1735-1753
1745-1755
1745-1755
1842
1797
1825
1771-1800
1750-1800
1842
1790-1819
1790-1819
1790-1819
1790-1819
1790-1819
1848