d. It has been contended The cleaning device is inserted in the pipe, where It is it. In the course of several epidemics in which milk has that this aerial road is impracticable because it will injure pushed forward by the flowing liquid, the projecting wires acted as the vehicle of infection, it… … THE METROPOLITAN ELEVATED RAILWAY, PARIS. to attend to some duty a few minutes after the whistle has sounded. They are the men of the pipe. Should the wires come in contact with a de- It goes without saying that it scarcely seems possible to usually who pay the closest attention to the details of…
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