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Alberto Santos-Dumont, a Brazilian aeronaut living in Paris. His l4 Bis was flown in l907 and was the first successful airplane tested in Europe. Mr. Dumont ( not related to the Television inventor) also patented a wrist watch and one with an inertial switch that would stop the movement in the event of a traumatic shock- such as a vehicular crash. this would accurately establilsh the time of the crash. These things were quite popular . The term inertia switch was used. Mr. Dumont died in l932.

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12y ago

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