ross-board-steps-Knull Published March 23, 2017 at 800 × 1120 in Knull, the artist ← Previous Next → Image illustrates the various steps of scientific drawing on Ross board. Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Tumblr (Opens in new window)Click to print (Opens in new window)MoreClick to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)