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Scientific American, Vol. 36, No. 3 (1877) (1877)

leaf 5

An illustration from Scientific American, Vol. 36, No. 3 (1877), 1877, leaf 5
the line of the wire, when patentee may reissue his patent. ‘‘ The Commissioners shall, by means of two pairs of parallel rulers (Fig. 2). Lay off | the rotary motion is continued, but more in one direction on the surrender of such patent, and the payment of the duty than the other, until the crack… … O A = OD;; and with the same radius and A and D as cen- and requires at his expense a piece of testimony which is of no value as proof, and refuses to forward the application ters, draw two arcs. The point E, of the line O H, will be until the coffers of the Patent Office are enriched to an extent…

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