it by means of the lever. by two pins, one of which, I, acts as @ pivot, and the over both tubes, the deflection was the same in each, The knife should be moistened in order that the polish- 3ths of an inch; and when run wholly upon the second other, D, drops into one of a series of holes in the… … may be turned about the pivot, I, and held in place by final test was the long central span (330 feet), where the and persons desiring further information in relation to it the pin, D. The collar is fastened to the block by means of deflection was only 1$ inches. In no instance was the will please…
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![An illustration from Eighty Years' Progress of the United States: a family record of American industry, energy and enterprise ... By eminent literary men [C. L. Flint and others] ... Embellished with ... engravings, etc (1868)](https://img.insideoutlibrary.com/img/200/bl-bl_003734531_2-330-2.webp)
