It was Mr. Scribner also who replaced the individual system of dry cells with one common battery located at the central exchange, an improvement which saved the Company 4,000,000 dry cells a year.

也是 Scribner 先生用位于中央交易所的一个普通电池取代了单独的干电池系统，这一改进每年为公司节省了 4,000,000 个干电池。