Laboratory robot with electric interface unit and computer
1991
1991
1949
1947
1988
1914-1940
1985
circa 1960
1955
1949
1907
1890-1950
1870-1909
1957
1957
1957
1984
2010
25 July 1966
1948
1942
1980
1876-1915
1965
1957
1957
circa 1974-76
1959
1988