bly slotted to slide along the the valve, the latter is placed on its side. This avoids the deep excavation otherwise required, but still necessitates a at all desired angles of deflection, from a straight line up to and beyond aright angle. long narrow vault, which must be bricked and otherwise… … which compound rotary movements cause the der is a gear wheel, and in this meshes a pinion on an auxiliary shaft, D;so that by turning the arms to vibrate, both on their pivot pins and at CLEMENS’ their ball joints, with equal pivot movements: latter the cylinder can, when desired, be rota- the…
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