Page:Graphic methods for presenting facts (1914).djvu/202

 Fig. 156. Comparison of Actual Weekly Earnings in Different Departments of a Large Industrial Plant Showing Percentage of Men in Each Department Receiving More than Any Specified Amount of Earnings per Week

This illustration was made by photographing directly from the universally ruled paper shown also in Figures 57, 103, 130 and 134. The scales and the different titles were put on the paper with a typewriter. Lack of steady work caused many of the laborers to get the very small earnings shown by the upper portion of the curve marked "Laborers"