The earliest recorded weight-driven mechanical clock was built in 1283 in Bedfordshire in England.
有记载的最早的重量驱动机械钟是1283年在英国贝德福德郡建造的。
WEIGHT DRIVEN TOWER clock movement-many find it a challenge to build a clock that drives hands exposed to the weather.
重量驱动塔钟运动，许多觉得是一个挑战，以建立一个时钟驱动器的手接触到的天气。
WEIGHT DRIVEN TOWER clock movement-many find it a challenge to build a clock that drives hands exposed to the weather.
重量驱动塔钟运动，许多觉得是一个挑战，以建立一个时钟驱动器的手接触到的天气。
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