Equiangular or Logarithmic Spiral

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A graph showing a logarithmic or equiangular spiral. The spiral is created in polar coordinates (r,Θ) based on the natural log function.

Galleries

Spirals

Source

Anthony, Gardner C. Elements of Mechanical Drawing (Boston, MA: D. C. Heath & Co., 1904)

Downloads

TIFF (full resolution)

2400×2100, 302.6 KiB

Large GIF

1024×896, 49.8 KiB

Medium GIF

640×560, 28.9 KiB

Small GIF

320×280, 12.4 KiB