Report on Experiences about Modern Printing Techniques under Consideration of Traditional Methods.
Introduction The framework of this report has been defined with precision. Modern techniques are obviously the utilisation of data processing and electronics, and traditional methods are the embossing of sheets of paper or plastic. However, we will recall some characteristics of the traditional techniques and, at the end, we will mention briefly the non-traditional methods, such as the elimina tion of braille paper and the utilisation of the normal method of printing embossed characters for the production of braille. According to traditional techniques, the cooperation of a non-blind person is used. This person should have, according to his abilities, the knowledge of grade 1 braille, contracted braille, braille music or mathematical notations. The instruments used are the LOUIS BRAILLE writing frame or slate, the 6 key braille writer and the stereo typing machines. These latter permit the embossing of aluminium plates, indispensable for the press printing of a large number...