Senefelder was the first to try and make imitation stones as early as 1814…. white lead, lime, and caseine…His invention came to be known as paper stone…Knecht, Senefelder’s nephew, made a more resistant imitation stone using the following ingredients and proportions:
chalk………………3 parts
silver white………1 part
linseed oil…………1 part
lime………………..1 part
iron oxyde………..1/8 of a part
It was said that this “stone” could handle some six hundred impressions.
—A technical dictionary of printmaking, André Béguin.
