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Mahogany Eureka clock, c. 1910

Eureka Clock Company London

An extremely attractive mahogany table clock by Eureka, made around 1910.

The well-proportioned mahogany case has bevelled glass panels on all sides so that the mechanism is entirely visible, including the oscillating balance. The crossing of the balance contains an electric wire coil, which is impulsed but a special contact detent, which connects the coil for a very short moment with a battery source of a constant voltage (c.1.5 volts). The polished chrome magnet interacts with the electric coil. In this way an electro-magnetic clock was created which did not need winding. The amplitude of the heavy prominent balance is one of the attractive aspects of this type of clock.

The power source contains two 1.5 V batteries in a special holder, which keeps the voltage constant, provided by Carlton clocks.

The 11cm ivorine dial has Roman numerals and five-minute divisions within a minute track. It is signed Eureka Clock Co Ltd London. The movement is marked on the shaped front bar No 7891 (serial number), PATENT No. 14614, dated 1906. The time is indicated by a lovely pair of original blued-steel spade hands.

Eureka clocks are fascinating to watch, which makes them sought after. This clock is in excellent condition.

The maker

The Eureka timepiece was invented by Timothy Bernard Powers of New York shortly after 1900 and patented in 1906. The Eureka Clock Company in London, England produced clocks between 1908 and 1914. Some 10,000 were made.

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