Applied Motion Study
A Collection Method to industrial Preparedness

MOTION MODELS 117 transformed into a satisfactory teaching device. We must, however, establish the validity of our records before enumerating the advantages of our teaching devices. What does the chronocycle- graph show? We group the following in accord- ance with the seven facts stated before: 1. The chronocyclegraph shows that the sub- division of the motion cycle is the important ele- ment. The motion cycle can be accurately re- corded, hence analysed into elements that may be standardised and synthesized into a recorded method. The time taken to do the work cannot be used as a preliminary standard, the worker being allowed to use any set of motions that he desires. The elements of such a set not being scientifically determined, the user of the motions will either take longer than necessary to do the work, or become unnecessarily fatigued. In or- der to come within the time, he must finally arrive at what would at least be a habitual cycle of motions, many of which are inefficient. If any wrong habit of motions occurs there will be a serious loss later by reason of habit interference, with, consequent unnecessary fatigue, and the likelihood of the time ever becoming standard will