. Machinery and processes of the industrial arts, and apparatus of the exact sciences. ^ ™ though they may come into contact. Each pair of pistons has itsindependent shaft, and externally to the cylinder each of these shaftscarries an elliptical gear-wheel, which works into an equal and similarwheel upon a shaft parallel to the piston shaft. This second shaft, which Fig. Fist. IS.

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Keywords: ., bookcentury1800, booksubjectmachinery, booksubjectscientificappa