NORTHSTAR SLAB ROLLER POTTERY wagon wheel

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North Star 24" Pottery Slab Roller .Used only a few times very clean as new. This is a great opportunity for any ceramist. A great slab roller for general duty use!North Star machines have two rolls, much like the wringer of an old-fashioned washing machine. Both rolls have a small diamond pattern ("knurling") machined directly into the metal to grip the canvas. The bottom roll is turned by a handle, but cannot move vertically. As it turns, it drives the top roll through a train of gears. The upper roll both turns and can be adjusted up and down. The two rolls turning together pull slabs through easily, and the vertical adjustment of the top roll gives an easy-to-set and infinitely adjustable thickness from paper-thin to over 2 inches. A reference scale allows settings and repeating openings to within 1/100 of an inch. The design gives great flexibility in making slabs. Very thin, translucent porcelain slabs and thick, heavily textured architectural slabs are equally easy. A wide variety of other texturing materials and objects can be passed through the machine along with the clay. CONSTRUCTION Rolls are made of cast and carefully machined high-strength special alloy aluminum. Gear trains are made of the strongest material available for this application, nylon. Bushings are nylon and the remaining parts (except plastic gear covers read more