
Sujet
Drivers' Mental Test
Légende
Chicago, Illinois: c. 1930
A device for increasing the safety of drivers of the Chicago Rapid Transit Company. The machine records the nerve reaction, alertness, sense of direction, accuracy of motion, precision of movement, extent of carefulness and the degree of muscle fatigue of persons taking the test.
Crédit
Photo12/Underwood Archives/UIG
Notre référence
UMG20A12_188
Model release
Non
Property release
NA
Licence
Droits gérés
Format disponible
56,6Mo (7,1Mo) / 43,2cm x 32,9cm / 5100 x 3882 (300dpi)