Diagram describing texts are integral part of science and engineering subjects including geometry, physics, engineering drawing, etc. In order to understand such text, one, at first, tries to draw or perceive the underlying diagram. For perception of the blind students such diagrams need to be drawn in some non-visual accessible form like tactile…

Articles report surveys and research studies as well as describe systems in educational technology. Areas treated include the following: multihandicapped blind and deaf blind children in California, by B. Lowenfeld; modern trends in mobility, by J.A. Leonard; factors in the definition of deafness as they relate to incidence and prevalence, by J.…