er China, traveled westward till they appeared by the system of pivots and centers. The springs for hold- be removed, another bar inserted, and the knives replaced in on the borders of Europe five hundred years later, and, under ing the mold in position, shown at Q, are of good length, four the… … world, going down eighteen hun- ing out a series of unusually prac- dred feet. One at St. Louis in the tical and valuable improvements. The one we now present to our readers, is a device that will not only will there be less liability to cently been stated, of more than four thousand feet. But in…
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