| 摘要 |
A maximum acceleration indicator having a plurality of steel balls which are retained by a magnet or magnets and which are forced, when subjected to a sudden and violent acceleration or deceleration, to depart from the magnet or magnets selectively independence upon the magnitude of the acceleration or deceleration, the indicator being advantageous for use with a motor vehicle for the purpose of quantitatively registering the maximum acceleration imparted thereto in the event a collision is encountered by the motor vehicle.
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