EYES FOR THE BLIND.
LONDON, August 28. Dr. Fournier Dalber's optophone was successfully used at "the British Scientific Exhibition, enabling the blind to read by sound. The instrument transmits sound according to the shape of the letters.
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https://paperspast.natlib.govt.nz/newspapers/TAIDT19180831.2.23
Bibliographic details
Taihape Daily Times, 31 August 1918, Page 5
Word Count
37EYES FOR THE BLIND. Taihape Daily Times, 31 August 1918, Page 5
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