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FASCINATION OF CINEMATOGRAPHY
petus in this country through the conditions arising from the great world conflict. We are just beginning to realize how dependent we have been in allowing foreign brains to solve for us the great bulk of the more complex industrial processes and the awakening finds us determined and able to take and retain the leadership in this important task.
Efficiency means the elimination of waste — one of our greatest wastes is time waste ; every excess movement wastes a precious interval of time ; the cine camera has become a detective, sleuthing out the thieving excess motion which steals valuable time.
Frank Galbraith, a noted efficiency engineer, by the use of motion pictures, succeeded in eliminating false and useless motions to such an extent that various factory operations have been speeded up so the output has been increased as much as three and four hundred per centum. Marvelous as it may seem, the worker was able to turn out this increased amount of work with much less fatigue than when he had done a less amount under the haphazard regime.
When the motion camera is used for time studies, a splitsecond clock is generally placed in the picture and photographed at the same time, thus giving an accurate record of the time interval between each frame or picture on the celluloid tape.
Percy Haughton, the Harvard football coach, adopted the motion camera for revealing the faulty and unnecessary motions of players on the football field. Every fraction of a second gained on the athletic field is a big boost toward victory.
Many pictures have been produced for purposes of both amusement and instruction, which have made use of this slow motion. One of the most familiar examples is the series of films for use in home projectors, illustrating the proper positions for playing golf, with the correct swings. By having these motions slowed down the novice can easily follow the slightest muscular change and in this manner acquire correct form far more quickly than he could by trying to analyze the flashing stroke of the player in actual action.
The same method is used in teaching swimming and in fact in giving instruction in every kind of activity which depends upon exact coordination of muscular effort. Such
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