Cybernetic tortoise, developed to help with studies on brain function
1950-1952
1950-1952
1960
1932-1942
1968
1904
circa 1939
1958
1954
1962
1930-1940
1955
1949
1957
1880-1940
1801-1900
1931-1939
1913-1920
1967
1750-1760
1930
1910-1915
1910-1915
1870-1880
1801-1865
1880-1889
1905
1854
1770-1820
1775
1899-1902
1905-1910
1930-1950
1780-1800
1937
1811-1826
1853
1910
1913-1920
1851-1900
1880-1900
1871-1900
1858
1872
1877-1878
1957
1960-1969