
Cubical polyhedral sundial
1751-1800
1751-1800
1872
circa 1832
1775
1879
1838
1871
1860
1771-1830
1788
1770
1870
1846
1858
1839 (original); circa 1988 (replica)
1791
1860-1880
1834-1836
1851
1879
1850-1859
1853
1854
1837
1794
1837
1877
1860
1849
1842
1860
circa 1880
1850
1878
circa 1840
1850-1859
1827-1850
circa 1800
1830-1840
1834
1845-1855
1832
1845
1752
1762
1798
1755
1842
1856
1861