One second pendulum
Longcase in Vacuum
4 months running
Hour hand driven by magnetic gear
10 weeks running Precision clock.
Regulator face.
Hour indication in the driving wheel.
Twin pendulum rods out of fused silica
(Table design: David Lewis Sugarcreek OH)
An elegant coffee table with:
Circular glass plate
a precision clock movement
2 weeks running
A ballpoint pen made by a clockmaker !
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