Political science research on redistricting has confirmed that control of the line-drawing process does yield some benefits.
It is somewhat difficult to exemplify this by a line-drawing, though it is easy to do so with an actual example.
Sometimes, though incorrectly, applied to a line-drawing in pen and ink.
They reproduce, or almost reproduce, the color-charm of the early broadsides; and they show a marked improvement in line-drawing.
The one colour was used as a ground with the high lights cut away; the other block, for the ordinary convention of line-drawing.