Applied Motion Study
A Collection Method to industrial Preparedness

100 APPLIED MOTION STUDY of as a cycle or combination of elements and mo- tions. With this intensive study of elements has come also a realisation of the importance of likenesses between things. This emphasis on likenesses may be given as the second reason for the realisa- tion of the necessity of correlation. The old-time wise man wondered at the differences between things, and the scientist for years and decades followed the old-time wise man, and placed the emphasis in his classifications upon differences. Our ordinary classifications of to-day are thus based: for example, classifications of the trades are based more or less indefinitely upon a. Difference between the types of men who do the work. b. Differences in the ability and general ed- ucation of the worker. c. Differences in the kinds of, or the value of, materials handled. d. Differences in the surrounding conditions. Similar emphasis on difference marks the division of the trades from the professions, a difference so insisted upon that any attempt to correlate the work of, say, a surgeon, typist and brick-