| http://www.w3.org/ns/prov#value | - Edge 427 of gauge slot 414 is tapered for the same reasons as edge 366 and edge 372 are tapered--in order to prevent bounce; but on the other hand, it is particularly important that coins come to rest at the same precise radial position in slot 414, and thus there is a lesser taper, approximately 17??? (measured inward from a plane normal to guide surface 358) for edge 427, whereby coin thickness
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