The Lavery Electric Automatic Phrenometer whirrs into action, August 1907. It supposedly measured the activity of the brain, but in actuality it studied the bumps on one’s head with hopes to gain insight about their personality. This is the portable version. (from Getty Images’ book"Decades of the 20th Century—1900s" by Nick Yapp, scanned byWeirdVintage)
Viking men were also heavily tattooed but their most striking and fearsome fashion statement was their gnashers. They would file horizontal lines into the enamel on their front teeth and paint in red resin.