1912, until the end of the period under consideration the fund available for loans was $500, of which $30 (reserved for a special purpose) could not be used for the loans for which these curves were plotted. Note that in January, 1912, the amount outstanding exceeded the funds formerly available for loans, and thus required an increase in the capital of the loan fund. Though the lettering of this chart is not as clear as it should be, the chart is nevertheless an excellent presentation of facts and a good demonstration of the utility of cumulative curves.
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Adapted from Factory
Fig. 135. Carload Shipments from a Manufacturing Plant
Two separate fiscal years are compared on the chart. The right-hand scale shows monthly averages of the
number of carloads shipped per day of factory operation. The double-line curves for daily averages
and the dotted-line curves for progressive averages are read from the right-hand scale. The heavy
solid-line curves are read from the left-hand scale and show cumulatively the total number of carloads
shipped since the beginning of each fiscal year
