on of rocking of the pumps placed one on each side. By this means a says: “Itis less than a year since the advantages of narrow vessels for the pumping and ventilation of stips, is commu- longer stroke of the pump piston is obtained, but the power gage became firmly fixed in the Western American… … lustrated on page 15, current volume of this journal; but it railroad by the possibility that after all it may be made of which flows into the reservoir performs the office of the boil- differs considerably in detail, and, inthe employment of com- the standard gage—a fate that has befallen several…
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