Pendulum longcase clock
Before the pendulum clock was invented, clocks were no more accurate than within half an hour each day. For precision and scientific use, more accurate clocks were required. With the introduction of the pendulum by Christiaan Huygens (1629-1665), clocks became accurate to within one minute.
With more accurate clocks, there was a radical change to the importance of time. Time could be measured and priced for trade, transport and communication. Ahasuerus and his son, John, Fromanteel brought the pendulum to England. This is one of the earliest known examples of their work.
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