Record 48/164 Catalog Record Writing Exhibit Page Home Search Image 1 of 2 Description  Hinged pocket slate for Ballu writing; top plate is brass; 1 line, 46 columns, 10 dots high; pins in bottom; bottom plate has furrows. 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. Some corrosion.

Ballu slate - Copyright Museum of the American Printing House for the Blind Balu 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.

For more information contact the museum at 502-899-2365    museum@aph.org
Last modified on: April 02, 2010