Sexual Armor to Stop Masturbation and Insanity, 1908 Size:26" x 26" Created in 1942 this poster

Created in 1942 this poster shows steam engine pulling freight train with military tanks

Photographed by Samuel Gottscho Jan

Amazingly detailed map of New York City from 1879 by Galt & Hoy

with the fact that infrared light can penetrate dust whereas visible light cannot

Via {USGS}

Sexual Armor to Stop Masturbation and Insanity, 1908 Size:26" x 26" Created in 1942 this posterQuote from the patent filing 875,845, Jan. 7 1908 by Ellen E. Perkins, of Beaver Bay, Minnesota: It is deplorable but well known fact that one of the most common causes of insanity, imbecility and feeble mindedness, especially in youth, is due to masturbation or self abuse. This is about equally true of both sexes