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Table to be written, intended especially to facilitate the study of the tongues by printing books in special printing characters; - to be composed of books to the blind by perforation of a thick paper or by relief; - to be released a matter, said table is enlarged and provided with light bulbs
Table to be written, intended especially to facilitate the study of the tongues by printing books in special printing characters; - to be composed of books to the blind by perforation of a thick paper or by relief; - to be released a matter, said table is enlarged and provided with light bulbs