be a good man available to take charge of responsible work. A chart of this kind can be made quickly if co-ordinate paper is used, the horizontal lines being drawn in with lead pencil. Vacations are shifted around until an arrangement is found that is satisfactory to the manager and also to the various employees. After a final schedule has been decided upon, the time given each employee can be made sufficiently conspicuous by going over the lead-pencil marks with crayon or ink. A chart of this nature posted on the bulletin board of an office would serve as a convenient means of giving information to the employees as to their respective vacation periods.
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Mr. H. L. Gantt, in Journal Am. Soc. Mechanical Engineers
Fig. 58. Chart Illustrating Bonus Work in a Factory where Bonus Work was Introduced Too Rapidly at First
The curve at the bottom shows the total number of workers earning a bonus each day. On November 22
all the workers earned a bonus
Fig. 56 (page 52) illustrates a method regularly used by Mr. H. L. Gantt to indicate conditions in a manufacturing plant. This particular chart was drawn to show progress made in training the employees of a worsted mill under scientific management. Trained employees
