Brinton, Willard Cope, 1880- · New York, The Engineering magazine company · leaf 272
255 CURVES FOR THE EXECUTIVE … 1909-10 19tO-ll 1908-09 Fig. 202. Total Sales of the "Metropolis" Branch House of the "R.S.T." Automobile Company for Three Years These two curves are plotted from exactly the same figures. The upper curve is drawn by the method still used by some railroads, but generally going out of use. The…
Graphic methods · Statistics
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