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单词 mechanical clock
释义
mechanical clock
By the middle of the 17th century, clocks had become more and more commonplace, the mechanical clock having been revolutionised by the invention of the pendulum.
Times, Sunday Times
In 1979, the original mechanical clock was converted partly to an electrical one.
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This was due to the development of the mechanical clock, which became more accurate, smaller and cheaper, and made keeping time easier.
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The building was made of limestone, had a large copper door, and contained a mechanical clock in the clock tower.
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In the tower the mechanical clock was installed in 1927.
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更新时间:2024/12/22 19:55:21