Hyperbolic spiral Small 320×316 Medium 640×633 Large 1024×1012 Download Tiff Original 2400×2372 | (227.4 KB) Description A hyperbolic spiral. Keywords curve, geometry, hyperbolic, spiral Galleries Spirals Source: Finley, John H. Nelson's Perpetual Loose-Leaf Encyclopedia (New York City: Thomas Nelson and Sons, 1917) 11:379
