Freud electronic laughing ball
1990-96
1990-96
1867
1955; 1830
1867
1893-4
1867
1610; 1923
1866
1938; (1838)
1834-1836
1934
1867
2000-100 BCE
1930 (replica); 1834 (original)
1930 (replica); 1834 (original)
1868
1772 (original); 1919 (model)
1775-1799 (original); 1900-1907 (model)
1705-1737
1934
1870-1877
1888
1801-1840 (original); 1901 (model)
4000-2001 BCE
1839 (original); circa 1988 (replica)
1830 (original); 1967 (model)
1990-95
1910-1921
1917-918
1824 (original); 1891 (model)
1-79 CE; before 1914
1899/12
1878-1867 (design)
1903
1898-01
1884
1866
1867
1866-06
1867
1867-07-30
1-79 CE; before 1914
1866-10-01
1931; 250 BCE
1885-09
1883-01
1866
1867
1866
circa 3000 BCE