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Show . ,1 Just as Easy. $ Two commercial travelers, while otf a train on the Oregon Electric railway, got Into an argument over the action of the automatic brake. It's the Inflation of the tube that stops the train," declared the first traveler. trav-eler. ' ' "Wrong, wrong V shouted the second. Ita the output of the exhaustion. So they wrangled for an hour. Then, when the train arrived at the station they agreed to submit the matter for settlement to the motormaa. That gen-tleman, gen-tleman, leaning condescendingly from the door of his car, listened with an attentive frown to the two travelers' statement of their argument Then be smiled, shook his head, and said : wii fpnts. ve're both wrong about the working of the vacuum brake. Yet it's very simple and easy to under-stand. under-stand. When we want to stop the train we Just turn this 'ere tap, and then we fill the pipe with vacuum." i |