Lituus spiral Small 320×306 Medium 640×612 Large 1024×979 Download Tiff Original 2400×2295 | (230.4 KB) Description Lituus spiral. Keywords curve, geometry, lituus, spiral Galleries Spirals Source: Finley, John H. Nelson's Perpetual Loose-Leaf Encyclopedia (New York City: Thomas Nelson and Sons, 1917) 11:379
