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Above: The 1879 patent of a fire escape device designed by Benjamin Oppenheimer. The parachute is attached by harness to the person's head while thick rubber soled shoes were worn to cushion the landing.
And in case death was mistakenly declared and a person was buried alive, a patent was put forward for a 'life-indicator' coffin, where the buried person could rotate a set of handles to move a dial above ground.
为了避免意外的将活人当死人，于是就有了这个"生命指示器"的棺材，被埋的人可以通过旋转把柄从而移动地面上的转盘。
Above: The life indicator for coffins patented by John Krichbaum in 1882 to save a person accidentally buried alive.
Some of the other peculiar patents, which were obtained by the Science Photo Library, show eyeglasses for chickens to prevent them pecking out each other's eyes...
还有一些奇特的专利，都保存在科技照片收藏馆里，那就是给鸡戴上眼镜，以防止它们啄出对方的眼睛。
Above: The device designed by Andrew Jackson Jr. to protect the eyes of chickens from aggressive pecking by other chickens. This patent was filed in 1903.
上图：这是小安德鲁杰克逊发明的，目的是为了避免鸡之间相互啄伤对方的眼睛。这个专利申请于1903年。
