. The street railway review . TRAIN DISPATCHERS OFFICE, SIXTY-FIRST STREET. fluctuations are recorded. In the 24-hour curves it will be notedthat the peaks do not rise to such a height as in the others,only the average for each half hour being plotted. The singlecross hatching represents the period in which the batteries arecharging and the amount of current taken in and the doublecross hatching shows the time and the proportion of the current (|)t1M%iivv^%ilc\V^ 719. vr „, !?/<; ^AV DUOIpUl BAv x-dOd tunoc* g 3A\/^^o^O a&ajjoy 9A^ uoj6uiie91^

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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads