This article compares the methods of production of tactile diagrams by two distinct techniques. Since its recent introduction into this country, the raised copy image method has been used increasingly in the production of diagrams for the visually handicapped, alongside the longer established thermo- form method. The diagrams resulting from these two methods, and their suitabilities in use, are appraised. Some guidelines towards making raised copy diagrams using the Minolta heat copier are given, based partly on a working teacher's practical experience and partly on a case study.
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