An exceptionally rare year-going four-glass clock. The timepiece movement has a single going barrel providing power to a Leroux-type deadbeat escapement. This in turn drives the equipoise compound pendulum beating seconds.  The very fine pallets are fixed rigidly to the pendulum and the impulse is provided by the profile of the escape-wheel teeth. This combination of escapement … Continue reading Year Duration Equipoise Pendulum Mantel Clock