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Online orders placed from 19/12 onward will not arrive in time for Christmas.
Online orders placed from 19/12 onward will not arrive in time for Christmas.

Author: Richard Simmonds

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    How to Make a Weight-Driven Clock

    Richard Simmonds
    €36.79
    €39.99

    For many centuries, a falling weight has been used as an energy source to drive mechanical clocks. It is a versatile and constant force that has be...

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    €36.79
    €39.99
    Save 8%
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