MD, Historic Timekeepers, Fork, restoration of fine vintage timepieces and furnishing Qualified items that support Many others linked to the restoration of timepieces Galileo and his son experimented with to incorporate the pendulum into a clock but unsuccessful. Then in 1656 Dutch astronomer, Christian Huygens managed to incorporate a pendulum https://home-security-camera-syst98642.izrablog.com/485002/5-essential-elements-for-antique-wind-up-wall-clock