Echo (detail), 1993, Pneumatic writer  in ink and oil, equipped with pump and battery, Pipe, ink, Cm 1000 x 40,  Galleria Neon, Bologna,    solo show  

Eco(detail), 1993,  Galleria Neon, Bologna, solo show, Sistema di scrittura automatica a inchiostro e petrolio dotato di accumulatore a pompa, cm 1000 x 40