Additionally, the growth of urban mercantile populations in Europe during the second half of the 13th century created demand for improved timekeeping devices.
Additionally, the growth of urban mercantile populations in Europe during the second half of the 13th century created demand for improved timekeeping devices.
此外，由于13世纪的后半，欧洲都市的商业人口持续增加，改进计时技术的需求也就愈来愈急切。