Zones or Segments of Spheres Small 320×140 Medium 640×279 Large 1024×447 Download Tiff Original 2400×1047 | (258.7 KB) Description An illustration of a zone of a sphere. A zone occurs when a sphere is cut by parallel planes that are equal distances apart. This illustration is the segment of one base. Keywords base, circle, diameter, parallel lines, radii, radius, Segment, shape, solid, sphere, spheres, volume, Zone, zones Galleries Spheres Source: Claude Irwin Palmer Library of Practical Electricity: Practical Mathematics For Home Study (New York: McGraw-Hill Book Company, Inc., 1919) 222 Courtesy the private collection of Roy Winkelman
