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Wrapping block
circa 1920
circa 1920
2000-100 BCE
1920
circa 1920
1922
1955; 1830
1921
1934
1920
1921
circa 1920
1920
1922
1920
1903 (original); 1982 (model)
4000-2001 BCE
1990-96
circa 1920
1839 (original); circa 1988 (replica)
1934
1921
1930 (replica); 1834 (original)
1801-1892 (prepared); 1946 (element replaced)
1920
1922
1920-1922
1920
1830 (original); 1967 (model)
1940-03
1933-05
1942-09
1942-07
1942-07
1939-02
1963-01
1938-10
1947-04
1940-01
1946-01
1955-10
1947-05
1960-01
1941-11
1941-12
1966-07
1939-12
1957-11
1937-10
1956-09
1945-06