Dial Driving Device

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An illustration of Hope Jone’s dial-driving device. “Each time that a current is sent by the master clock, the electromagnet B attracts the pivoted armature C, and then the current ceases the lever D with the projecting arm E is driven back to its old position by the spring F, thus driving the wheel A forward one division. G is a back stop click, and H, I fixed stops.” —Britannica, 1910

Keywords

clock, dial-driving device, dial driving device

Galleries

Clocks, Watches, and Sundials

Source

Encyclopaedia Britannica (11th ed., vol. 6) (New York, NY: The Encyclopaedia Britannica Company, 1910)

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