The actual charts are 3' x 4', so the images don't quite do them justice but it's still neat. On a tangential note, now that the
SVG buzz-machine is starting up, please note that there is an open source vector program, written in Python, called
Sketch which can create SVG files. It may not be Illustrator, but then I've never forgotten
my computer animation professor joking with another student that : If you didn't already know how to use Illustrator ... it was too late.