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Scientific American, Vol. 25, No. 2 (1871) (1871)

leaf 4

An illustration from Scientific American, Vol. 25, No. 2 (1871), 1871, leaf 4
ge. As a rule, the amount of this can generally be (Extract from a specch of Hon. S. S. Fisher, late Commissioner of Patents, 3, where a portion of the pipe is shown broken away. curvature corresponds to that of the pipe, so that in this po- In the spring of 1869, at the suggestion of the then… … was but a poor office seeker that staked sired. his chances upon a single bureau. The The same principle is applied to the MURPHY’S STOVEPIPE CLEANER. approved plan was to have several sets of vertical part of the pipe. Pins placed to make the molds themselves, especially as they charge…

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