The average number of hours worked in each of the two years, 1888 and 1938, is actually plotted on a clock so that not only the number of hours but the time of day involved can be seen. For instance, in 1888, an hour was allotted for lunch. In two categories in 1938 only half an hour is allotted for lunch.

GRAPHIC PRESENTATION

scanrr rtvo -- St

M«rr) OrVAJC >WTtfm»

CnrvrnM

Leonard P. Ayrci. "The War With Germany," Government Printing OflFice, 1919.

A. Deaths of American Soldiers by Principal Diseases in the World War.

This chart illustrates the position of a miscellaneous item when component parts are presented. Although the percentage of soldiers who died from diseases other than those listed is second to the percentage of those who died from pneumonia, it is placed last in the clockwise arrangement.

Power. October. 1938, Part of an Editorial on Public Relations Entitled "Man's Power Partner." SCALE .8

B. Distribution of Industry's Dollar in 1937.

1. One distinctive feature about this chart

is the use of a black background which emphasizes both the grey and blue sections.

2. By alternating light and dark, it is

possible to make two colors do the work of four. Jnrrrtm^ifomi rtotocutrwi

v^Tmow 'iimtac

U. S. Department of Labor, Bureau of Labor StatUtict, "Labor Information Bulletin," October, 1936.

SCALE .4

C. Total Cost of Direct Labor and Materials on PWA Construction Projects, 1933- 1936.

1. The use of many circles and the arrangement of each one makes this an interesting