Standard sweeps are numbered 1 through 100. Each sweep number represents a 1/8-inch rise in a 60-inch arc. (Example is about: a #8 sweep has an 8/8 or one-inch rise.) @@@ So-called “favorite sweeps” are also designated A through U. All sweeps are based on a chordal length of five feet.
annette dutton info: Elevation describe: As seen in front, rear or side views. A side elevation, for example, is a side view. (The plan or top view is not defined as an elevation.)
dutton bratcher nashville: Extrusion describe: A part, like a molding, formed by forcing or extruding the material through a shaped orifice.