Equiangular or Logarithmic Spiral Small 320×280 Medium 640×560 Large 1024×896 Download Tiff Original 2400×2100 | (302.6 KB) Description A graph showing a logarithmic or equiangular spiral. The spiral is created in polar coordinates (r,Θ) based on the natural log function. Keywords Equiangular or Logarithmic Spiral, Equiangular Spiral, Log Spiral, logarithmic spiral, spiral, spirals Galleries Spirals Source: Anthony, Gardner C. Elements of Mechanical Drawing (Boston, MA: D. C. Heath & Co., 1904)
