Verdsskrifta / Writ of the world 2015 Four mobile devices that make drawings from different impulses: The Anemograph draws by the wind The Polygraph draws by the pulse and breath of the user The Phonograph draws by song, exposing the results onto cyanographic paper The Harmonograph draws by the movement of three penduli Comissioned by Den Kulturelle Skolesekken as a travelling exhibit for schools.