- SHORT DESCRIPTION OF THE PAINTING TECHNIQUES IN THIS ART EXHIBITION -
The drawing is being painted on a limestone slab with chalk which contains
fat. The parts to be printed lateron are being prepared, so that they reject
fat (mostly through the effect of acid). The drawing is washed off, only the
fat background remains.
- The stone is moistened, the fatty parts reject the water.
- The stone is being rolled in fat containing colour which sticks at the
fatty parts and is being rejected by the moist parts of the stone.
- Print paper is being put on the stone.
- Pressure is being produced in the lithographic press.
Coloured prints are possible to produce, however, one requires a special
stone for each colour.
A zinc or copper plate is being coated with an acid-resistant resin
(caustic background). With a sharp steel needle the drawing is being applied
until the metal is uncovered. In the acid bath the exposed parts are being
etched and the longer one leaves it in there, the deeper the lines get. The
deep lines absorb the colour in the print procedure. The pressure is being
applied with a hand press.