Women and Smokers Have Steadier Nerves, Device Proves (Jun, 1935)

Gee. I wonder what magnanimous lobby could have paid for that study….

Women and Smokers Have Steadier Nerves, Device Proves
WOMEN are better than men when it comes to a steady hand and certainty of aim, according to Dr. H. H. Seashore, University of Southern California psychologist. More startling, perhaps, is the discovery that tobacco-users are steadier than non-users. To carry out his experiments, the doctor employs an unique device. A pistol handle is grasped by the subject so that rays from a tiny mirror are deflected through a grid into a photoelectric cell which automatically records hand tremors.