Record 84/164 |
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Description
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| Hinged pocket slate for Ballu and braille writing; top plate is for braille writing, 2 lines of 24 cells and is made of brass; middle plate is made of lightweight metal with furrows and pins on both sides; bottom plate is for 10-dot-high Ballu writing, 1 line, 49 columns and is made of brass. "1345" and "Istituto Dei Ceichi Napoli Paolo Colosimo" are stamped on top plate. Ballu writing was developed in Spain. A stylus was used with the Ballu slate to make tactile print, by embossing dots in the shapes of letters of the Roman alphabet. |
Ballu and braille slate
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Copyright Museum of the American Printing House for the Blind
Image Courtesy Museum of the American Printing House for the Blind. Note: use of some materials may be restricted, please call before publishing in any format.
| Balu-braille slate |
Image Courtesy Museum of the American Printing House for the Blind. Note: use of some materials may be restricted, please call before publishing in any format.