Brinton, Willard Cope, 1880- · New York, The Engineering magazine company · leaf 240
ype are very commonly used to show the number of passengers carried on different city transit lines. To make an illustration on the plan of Fig. 184, the width of each broad strip is carefully drawn to some scale representing the total quantity movement. A map like this is easily drawn yet it is… … By Permission of " Si/stem" Fig. 183. Blank for Recording Sales to Consumers and to Dealers, Abbreviated by the Letters "C" and "D" for Each State A blank like this can be filled out daily, weekly, or monthly as desired
Graphic methods · Statistics
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