fficult to apprehend, but that some under-cur- Boring out Curved Cylinders. Messrs. Editors :—Permit me to give you a solution of rent has moved the cables upon the edge of a cliff or rocky IMPBOVED CISTEBN FILTEB. L. Q.'s problem in your issue of Nov. 20th. point, till the coatings are abraded and… … on which B, the piece to be bored, is fastened (by blocking Sec. 33. And be it further enacted, That patents may be and straps, not shown) at the rightdistance from the center granted and issued or reissued to the assignee of the inventor N. Y. It consists in a series of pans arranged one above the…
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