Dotting machine, for testing accident-proneness in industrial workers, in wooden case, used by May Smith and Culpin, English, 1920-1940
Dotting machine, for testing accident-proneness in industrial workers. This device was used by psychologists May Smith and Millais Culpin of the Industrial Fatigue Research Board; a body originally set up to study the health of munitions workers during World War I. Manufactured by Edgar Schuster in England, 1920-1940