Brinton, Willard Cope, 1880- · New York, The Engineering magazine company · leaf 156
139 COMPONENT PARTS SHOWN BY CURVES … 1820 1S30 1640 I850 I860 1670 1880 1890 1900 Fig. 126. Percentage of United States Foreign Trade Carried in American Vessels and in Foreign Vessels by Decades, 1820 to 1900 This t}T)e of chart requires a more highly educated reader than the type of chart shown in Fig. lio, but it gains by making…
Graphic methods · Statistics
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