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Courtesy of Dr. Ewerbeck, Internationale Baufach-Ausstellung, Leipzig, Germany, 1913
Fig. 185. Passengers Carried in Twenty-four Hours on the Street-car Lines of Frankfurt a M., Germany. Each Vertical Strip Represents 4,000 Passengers
The map is about eight feet square. Strips of wood are glued above each street having a car line. This
is an excellent presentation of facts
