Astronomic hours sundial

Museo della Civiltà Contadina del Friuli Imperiale (Sundials courtyard)

Photo  n° 2

The author, Pierino Sam, while painting the astronomic sundial with the old fresco technique: the shaving of the fresh plaster is followed by the pouncing of the painting on punctured paper (at the back of the author) with natural colours and paintbrush.