| 摘要 |
A device for controlling the speed of a vehicle as the latter negotiates a curve includes a U-shaped tube. Terminal elements are secured in an air-tight manner in the legs of the U-shaped tube, and mercury is disposed in the U-shaped tube such as to normally contact the terminal elements when the vehicle is moving in a straight path. The mercury is movable in the U-shaped tube so as to break contact with one of the terminal elements when the vehicle negotiates a curve and subjects the mercury to centrifugal force.
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