Since this preceded the illustration above in point of time, it may have been the first sector chart.

GRAPHIC PRESENTATION

A. Employment and Unemploymenf Experience of 129 Displaced Hand Cigar Makers in Manchester, N. Y., as Recorded Five Years After the Lay-off.

1. Divisions within divisions are possible

in the sector chart. Here two categories, employed and unemployed, are further divided so that the circle is in reality divided into four parts.

2. Shading pieces of the sector chart

makes the chart easier to read.

Works Progress Administration, National Research Project, "Summary of Findings to Date," March, 1938. SCALE .5

INTEREST, RENTS. OTMER SMALL SOURCES il3.SS2,T85,000

DIVIDENDS FROM OTHER CORPORATIONS $2.a9C,041.000 (1%)

Factory Management and Maintenance, October, 1938, Part of an Editorial on Public Relations Entitled, "How a Company Can Make Simple Reports to Its Employees." SCALE .8

B. Sources of the Total Income of Manufacturing Industries for the Period 1929- 1935. Total $330,709,960,000.

The sector chart gives an angle and area comparison. The relative merits of the sector chart and the 100% bar chart in presenting the same facts arc disputed.

SECTOR CHARTS

TO EMfLOYCCS IN SALARIES

(mt inclu^in^ ttltrm •( cMsptny •ffici

% 11.034,050,000

(1«.5%)

TO OWNERS AS DIVIDENDS

i U,904.C02,000

(19 2'/.)

TO MANAGEMENT

talirits of company offictri

$ «,209. STC.OOO

(8V.)

Factory Managrmrnt and Maintenance, October, 1Q38, Part of an Editorial on Public Relations Entitled, "How Much Employee!, Management, and Owners Got." SCALE .6

A. Total Paid Employees, Management, and Owners for the Period 1929-1935 in Manufacturing Industries.