This is the same process as batik paper making. Instead of dipping a block in color, the artist dips a block in liquid wax and then prints on the paper. Once the paper is dry, the artist paints the paper with color and irons the paper to remove the wax.
Henry Moore Drawing crowds in tube stations during the blitz. This picture is very interesting because it is to do with history and has been drawn in an old looking way with the colours that have been used.