9 Periscopes Surprisingly Not Connected to Submarines [Design]

The periscope only came about with the advent of the submarine, right? Wrong. These handy, corner-checking devices have been used everywhere from the trenches of WWI to aboard the Gemini Spacecraft. Our friends at Oobject have collected nine of the best examples. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/vZBOkmMfw80/

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