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Cubical polyhedral sundial
1751-1800
1751-1800
1630
circa 1905
1900-1904
1900
1924
1890
1835-1836
1955-1960
1671-1700
1578-1631
1616
1537-1632
1569
1913-1920
1913-1920
1623-1628
circa 1910
1900-1920
1588
1913-1920
1913-1920
1963-1967
1912
1751-1800
1574
1537-1632
1548
1894
1893
1950-1953
1589
1531
1649
1608
1649
1599
1601
1781-1820
1955-1965
1994
1960-1965
1900-1930
circa 1950
1930s