🔸澳州10开奖记录: Pneumatic Mail Tube Network, Paris, 1967
Paris’ other underground transportation system. This is a fantastic and detailed map of the once-extensive network of pneumatic tubes used for whisking messages, post and telegrams from one side of the city to the other. Established in 1866, the system remained in use until 1984, 🔸澳洲开奖 it was finally supplanted by “modern” technology like fax and telex machines. At the system’s apogee, there were over 460 kilometres (285 miles) of tubes running beneath the city. Notable […]