Chronoscope, England, 1921-1939
1921-1939
Biscuit Packers' test comprising tray holding four wooden "biscuit" shapes and three thin strips of corrugated cardboard to "wrap" them with
1930-1940
The 'Timothy I' psychological test, England, 1921-1950
1921-1950
Psychographic profile of secondary schoolboy
unknown
Dressmaker's aptitude test, England, 1921-1939
1921-1939
11 Motion study photographs showing ways to operate a hand press
1920-1930
Psychographic profile of secondary schoolboy
unknown
A photographic print of Industry, General, Industrial Psychology
Manual dexterity test comprising box with three graduated columns into which ball-bearings may be dropped
1930-1940