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1 jan 1852 ano - 1852 Elisha Otis developed a safety mechanism to prevent elevator car from falling. He showed how it worked at the New York invention exposition.
Adicionado na linha do tempo:
22 out 2017
1
0
554
the gilded age time line
Data:
1 jan 1852 ano
Agora
~ 172 years ago
Imagens: