ject of four distinct Letters Pat- ent, ihnee of which were procured through the Sci— shaft, f, and arms, g g, upon the opposite side of the is made hollow. An ample supply of oil is poured shaft carry the rod, /, which fits loosely in its bear- ENTIFIC AMERICAN Patent Agency, and bear date April… … and operation of the engine, after which the alleged dashed over and into the hollow shoe, from whence rod, h, is a roller or button, which enters between advantages procured by these new improvements will it is distributed along the way on the return stroke. the horizontal disks, ii, on the…
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