le of their bly by a set screw, d', passing in through the end of the said dress the inventor. Rev. Alexander Berghold, New Ulm, length, so that they can pivot on the springs. Also the upper rod, B. The needle, D, may be made short, as shown in Fig. Brown county, Minn. jaw rolls on the screw end;… … so that this radial or balancing movement does not alter the to the depth of about thirty feet. The pipes are telescopi- length of the aperture which it aids in forming. The device cally constructed, so that they may be easily lowered below marking gauge, or long, as shown m Figs. 2, 3, and 4, to…
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