Reading, writing and drawing in relief : the IPO relief-drawing set

H.E.M. Mélotte, F.L. Engel

    Research output: Contribution to journalArticlePopular

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    Abstract

    Describes an improved relief·drawing set that allows durable, tangible, and vlsible embossed Images to be made wlth a ball-point pen.
    Original languageEnglish
    Pages (from-to)155-157
    JournalJournal of Visual Impairment and Blindness
    Publication statusPublished - 1980

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