Motion Work—The wheels in a watch which make the motion of the hour hand one twelfth as rapid as that of the minute hand.
Movement—The watch or clock complete, without dial or case—the mechanism of the watch or clock.
Mudge, Thomas—An English watchmaker of the 18th century. Born at Exeter in 1716, died 1794. In 1793 he received from Parliament three thousand pounds as a recompense for his improvements in chronometers. His work was celebrated for its excellence.
Name Bar—The bar which carries the upper end of the arbor of a watch barrel.
Naval Observatory—The United States Naval Observatory at Washington, D. C. There is there a superlatively accurate clock from which the time is flashed electrically to all parts of the United States.
Neuchatel—A town in the Jura Mountains' watch manufacturing district of Switzerland. A Cantonal Observatory at Neuchatel helps establish the reputation for the accuracy of Swiss watches.
Non-Magnetic Watch—A watch in which the quick-moving parts—lever, pallets, balance spring, etc., are made of some other metal besides steel—as aluminum bronze, invar, etc.
Nuremberg—A German city where Peter Henlein made the first watch. It was one of the chief clock centers of the 16th and 17th centuries and with Augsburg and Ulm supplied the markets of Europe with the first small clocks.