- The volume of the skull in an adult skull is the same for every
person
- The equator of the ball is the brow line
- Halfway up from the brow line to the north pole is the hairline
- symmetry line
:= the line bisecting the north and south
pole
- draw a tangent line from the brow line down and you get the line for
the nose
- The height of the forehead
:= browline to hairline.
This is the length of the nose
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