A technical dictionary of printmaking, André Béguin Back to Main Page of the "Printmaking dictionary" Acid tint A method of drawing on lithographic stone using nitric acid to burn the image into a darkened (inked) area. This creates a tonal image in greys. It was developed in 1964 by Ken Tyler at Tamarind Workshop in Los Angeles, USA. Back to Main Page of the "Printmaking dictionary"