Archive for September 10th, 2015
During this plot, an Inmac purple pen (in the Pen 5 slot) pretty much ran out of ink:
It printed the legend perfectly and started the trace solidly enough, proceeding upward from the far right, but after ten circuits around the center it returned dragging a very faint line behind it.
Ten drops = 0.05 ml of more-or-less reddish purple blended inkjet ink restored its good humor:
If you get ’em before they fossilize, they’re refillable!