Printing set with blocks of braille and normal letters - has grid for covering one or other when composed and cut=out portions on each block support

摘要

The printing set has blocks (1) each with a letter respectively in Braille (3) and normal form (2). The blocks are assembled in a composing frame (10). A top (7) hinged to the frame has a grid (5) of bars which cover either the Braille or the normal letters. Printing is effected by a hand roller respectively provided with hard wheels for normal letters and soft wheels for the Braille characters. The frame has individual recesses for each of the respective blocks.