hen the engine is running, m » ■ 1 m slow, and, as a matter of fact, there is an interval of the eccentrics, quadrants, links, etc., continuously turn A Mine Exploded by Accident. ten minutes between rounds. with the shaft. The value of the precautions taken by the army en- Compare this with the… … tion from rocking arms at badly damaged, so that THE DOUBLE-TRUNK ENGINES OF THE "NAHANT." the forward ends of these extra care was taken in rocking shafts to a com- JMameter of cylinders, 48 inches; stroke, 38 inches; steam pressure, 45 pounds: horse power, 340. handling it.
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