Charles Babbage designed an electro-mechanical device called a tabulator to read the information contained on the punch card. 查尔斯·巴贝奇设计了一种叫做制表机的电子机械装置来读取穿孔卡片上的信息。
His tabulator worked successfully, reducing the number of man-hours for the task by two-thirds. 他的制表机非常成功，使这项任务的工时减少了三分之二。