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Arnold, John (1736-1799) & repeater
An English horologist. He first made his name as the maker of a very small half-quarter repeater for King George III, but later became known for his chronometers.

A "repeater" is a clock or watch that can be made to repeat its latest chime when someone presses a spring or it is also defined as a type of timepiece that has the ability, controlled by a button or a pull-cord, to repeat the last chime-hour struck.

This entry is located in the following unit: Science and Technology (page 1)