Title
Drivers' Mental Test
Caption
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.
Credit line
Photo12/Underwood Archives/UIG
Reference
UMG20A12_188
Model release
No
Property release
NA
License type
Rights managed
Available size
56,6Mb (7,1Mb) / 17,0in x 12,9in / 5100 x 3882 (300dpi)