Persona
Hausmann, Raoul
date of birth
12/07/1886
birth place
Vienna
grafie secondarie
Raul Hausmann
author
Raoul Hausmann, Device to transform numbers on photoelectric basis, London Patent office, 25/09/1934, Londra
Jacques Donguy, Machine Head: Raoul Hausmann and the Optophone, in «Leonardo», Vol. 34, No. 3, The Mitt Press, 01/01/2001, Cambridge
voci
Optophone (Eng),