
'Passalong Test', Psychological Test, London, England, 1960-1990
1960-1990
1960-1990
1838
1830 (original); 1967 (model)
1769
1712-1713
1681
1935
1873
1501-1600
1844
1889
1554
1937
1895-1904
1771-1830
1955-1965
1775-1799 (original); 1900-1907 (model)
1857
1801-1900
1632-1640
1898
1785
1837
1840
1862
1925-1935
1920-1970
1990-2010
1866-1870
1830
1840-1880
1973-1983
1986
1982
1673
1772 (original); 1919 (model)
1794
1843-1875
before 1930
1717-1725
1501-1800
1874
1700-1800
1990-1998
1862
1872
Unknown
1925-1935
1880-1920