#757744Odema self-teaching defectological machine. Intended for the programmed instructing of the blind. Institute of Defectology, Academy of Pedagogical Sciences of the USSR.Sign in or register,to downloadAdd to cartRemove from cartCategories: Health, Science & TechnologyLocation: Moscow, RussiaEvent date: 01.01.1970Date published: 11.09.2010Author: Aleksandr NevezhinCredit: SputnikSource: SputnikOriginal: А70-28239, 35 mm filmMedia: JPEG, 5279x3543px, 5.1Mbcorrectiondevicediagnosticspedagogicsresearchspeechtechnologyvision