Collier's New Encyclopedia

A complete general encyclopedia of 1921 — the world as it was understood just after the Great War, from Aachen to Zwingli, across twelve volumes and six thousand pages.

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Motion Study

a method employed by exponents of some of the many efficiency systems, now in existence, in which the motions which a worker makes in performing a routine operation are recorded and studied. A motion study of a process is usually made in conjunction with a time study of the same process.

After the motions of several operatives doing the same work are recorded, a study is made and a process which is theoretically the best way of performing the given task is designed and given to the worker to follow. The early studies were made by means of a split second stop-watch, and a recording board. The modern method is to use a high-speed motion-picture camera, and include a large second-indicating clock in the picture. When the film is slowly projected, it gives a complete and easily consulted record of the process.

While great improvements in the methods of doing many processes have been made as a result of motion study, sometimes made to standardize the hu- because of the fact that an effort is sometimes made to standardize the human factor, it is a dangerous thing in been the cause of many labor disputes. use of the stop-watch has undoubtedly been the cause of many labor disputes. an Mass., April 15, 1814; was educated at American historian; born in Dorchester, Mass., April 15, 1814; was educated at Harvard University and Göttingen, Ger- (1849). Entered political life as a member of the Massachusetts House of Rep- (1849). Entered political life as a member of the Massachusetts House of Representatives. He published, after 10 years' labor, "History of the Rise of the Dutch Republic" in 1856; "History of the United Netherlands" (1860-1865); and the "Life and Death of John of Barne- France, and on his return his knowledge of foreign languages and customs gave him a position in the government. He was appointed to a position in the Forpanied as First Secretary the Japanese panied as First Secretary the Japanese Ambassador to Russia. In 1898 he beister to France, and in 1906 Ambassador came Minister to Belgium, in 1901 Minto Russia. In 1907 he received the title of baron, and later represented Japan at The Hague. He resided in Paris during the World War and died there in 1918. means of propulsion is an internal-com-

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