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One thing we left off our recent list of time travel dangers: In the past, the average five-year-old girl was more of a man than most modern men will ever be. Apparently, little girls took revolvers to bed just in case they needed to kill a dude during their nap. This ad appeared in Harpers in 1904, in case any time travelers are wondering what era to avoid if they don't like playing the most permanent game of freeze tag possible.

We're thinking that generation's whole mindset can be summed up by this ad's two warnings: "Absolutely Safe" and "they shoot straight and kill." These were a people who saw no contradiction in those two statements. If you got shot, it was your own damned fault for getting in front of the gun.