Brinton, Willard Cope, 1880- · New York, The Engineering magazine company · leaf 93
munication The Philadelphia Commercial Museum Fig. 73. Annual Commerce of the World, have brought about as a result of Imports and Exports Combined. the splendid increase in scientific Shown at Ten-year Periods, 1850- and engineering knowledge. 1910 The solid line is plotted according to the… … The Philadelphia Commercial Mvsevm showing concisely a large quantity Fig. 72. Annual Commerce of the World, of data. If the figures for the price Imports and Exports Combined. Shown at Ten-year Periods, 1850- of cement had been expressed in 1910 dollars and shown in a long numer- These circles,…
Graphic methods · Statistics
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