Ballu slate

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Record 48/164
Copyright Museum of the American Printing House for the Blind
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Collection Ronecker Slate Collection
Date 188?
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.
Dimension notes 1 1/8 x 7 1/4 in.
Made unknown
Material Brass, heavy metal
Object ID 2001.211.12
Object Name Slate
Place of Origin Spain
Provenance/History Item is part of a slate collection that belonged to David Ronecker (1918-2001). He was blind since birth, attended the Missouri School for the Blind, worked in
Texas as a medical technician for the armed forces, and was an avid collector of slates. He was the uncle of Charles Zinser, who acquired the slate collection after Ronecker's death.
Subjects Aids for the blind and visually handicapped.
Ballu.
Instructional aids, tools, and supplies.
Slates.
Tactile writing.
Title Ballu 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