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A rare Brillie electro-magnetic pendulum clock, circa 1915

The Brillie electro-magnetic pendulum clock. The electic clock in gilt brass four glass case is a direct descendent of the electric clock developed by Professor Charles Fery in 1908.

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SOLD The Brillie electro-magnetic pendulum clock. The electic clock in gilt brass four glass case is a direct descendent of the electric clock developed by Professor Charles Fery in 1908 in which he attempted to achieve a completely free pendulum. The contacts to operate the clock were closed by a subsidiary pendulum having a closed copper loop which was acted on by the upper arm of a horseshoe-shaped magnet carried on the free pendulum.