奧的斯電梯在水晶宮展示奥的斯电梯在水晶宫展示 Science and technology Yizuo Media

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Science and technology

奧的斯電梯在水晶宮展示奥的斯电梯在水晶宫展示

Ào de sī diàn tī zài shuǐ jīng gōng zhǎn shì

1 2 months ago

First author

Otis-Elevator-Vorführung im Crystal Palace

Elisha Otis führt seinen Mechanismus zur Verhinderung des freien Falls vor, Crystal Palace, 1854

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