title: [Calculating machine with spoken-word data output for blind and very weak-sighted operators (author's transl)].
mesh_terms: D001766:Blindness / Q000534:rehabilitation*; D003201:Computers / Q000379:methods*; D006801:Humans; D012656:Self-Help Devices; D013060:Speech; D014786:Vision Disorders / Q000534:rehabilitation
vernacular_title: Rechenmaschine für Blinde und hochgradig Sehschwache mit gesprochener Datenausgabe