Brinton, Willard Cope, 1880- · New York, The Engineering magazine company · leaf 26
COMPONENT PARTS … NeORO .e.B34,094 ^ Fig. 6. Conjugal Condition of the Population of the United States in 1900 The tour lower bars show components of the total population represented by the upper bar. The combined length of the four lower bars equals the length of the upper bar is used, all the bars being made of…
Graphic methods · Statistics
Internet Archive · Cornell University Library · Public domain (published before 1931). Free to use for anything.
