March 10, 1933: Finally, a “fool-proof hover plane,” which, the back of the photo explained, would revolutionize “air transport, since it can take off vertically from the ground and descend in like manner.” Its inventors added that it could “hover or fly backwards at will.” Whose will, it didn’t say, raising the specter of a very frightening giant mechanical dragonfly indeed. Photo: The New York Times
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