Fred L. Gissoni, K4JLX, of Louisville, Kentucky, died September 21. He was 84. Born blind, Gissoni was the co-developer of the Porta-Braille and Pocket-Braille note-taking devices as well as other adaptive technology. He also authored a popular instruction manual, “Using the Cranmer Abacus.” Gissoni retired from the American Printing House (APH) for the Blind in 2011 after 23 years.
“Fred contri...
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“Fred contri...
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