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Scientific American, Vol. 17, No. 1 (1867) (1867)

leaf 5

An illustration from Scientific American, Vol. 17, No. 1 (1867), 1867, leaf 5
der older govern- economical a motor for the purpose as gunpowder, might the eye holes, which may becovered or uncovered by the dia- ments. For, although an invention may be secured by pat- ents against imitation in its substantial features, deceptive Pig. imitations of its form, appearance, and… … hurl from a fortification, quite a shower of balls at random: and will often save heavy costs in litigation. A fresh illus- phragm, D, turned by the thumb-knob, E. F is the slide for tration of this subject appearsin the injunction recently but if directed through gun barrels with accurate aim, it…

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