this system, We are informed that this coupling is in practical use Among the ingenious devices which have been attracting no heavy framework is needed to bear heavy machinery. public attention at the American Institute Fair this year, on one of our principal railroads, and that it is indorsed by… … and sawdust of cork is introduced through the center of the series is duplicated on the margin of the front cover and on THE STONER AUTOMATIC SCALE. disks by means of a hollow shaft. The knives or other ob- the margin of each leaf through to the notch containing the jects to be polished are…
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