Washington, D.C., 1924. "Exhibit on Mental Hygiene." As we wash our hands, so must we wash our brains. Much poignantly straightforward signage. National Photo Company Collection glass negative. View full size.
  BUY PRINT    Washington, D.C., 1924. "Exhibit on Mental Hygiene." As we wash our hands, so must we wash our brains. Much poignantly straightforward signage. National Photo Company Collection glass negative. | Click image for Comments. | Home | Browse All Photos