北京站邮局每天拍发的电报约2000张左右。原来电报纸由发报人任意自取,据统计,收进1800份电报,而取走的达4500张以上,浪费很大。我们改制了两台电报纸供给机,用收一分钱押金的办法让机器发放电报纸,在用户拍发电报时,再减掉一分押金。据估计,每年可节约电报纸八十万张左右。该机用继电器型邮票出售机改制而成,外形见(图1)。其性 Beijing station post office sent a daily telegram about 2000. The original telegraph paper arbitrarily taken by the sender, according to statistics, received 1,800 telegrams, and took away more than 4500, a lot of waste. We remodeled two telegraph supply machines, used a one-dollar deposit to get the machine to send out a newspaper, and when the telegraph was telegraphed by the user, a further deposit was deducted. It is estimated that about 800,000 telegraph papers can be saved each year. The machine with a relay-type stamp sale machines from the restructuring, the appearance of see (Figure 1). Its nature