Excerpt - page 130: "... dried after being used as a wash. If a kneaded eraser doesn't lift enough graphite, try one of the others shown in the photo on page 131. Your last resort could be the Eberhard Faber Unioneraser used on its white side. ..."
Excerpt - page 12: "... Mono B series pencils (the Jaguar of pencils), Faber-Castell pencil-shaped erasers, Union gray/white eraser, Berol Rapidesign circle and combination ellipse templates, French ..."