V0048477 The ‘Optophone’, a reading device for the blind

V0048477 The ‘Optophone’, a reading device for the blind

V0048477 The ‘Optophone’, a reading device for the blind
Credit: Wellcome Library, London. Wellcome Images
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The ‘Optophone’, a reading device for the blind, invented by E. E. Fournier D’Albe: demonstrated in use by a man. Photograph, ca. 1921.
Photograph
1921 The ‘Optophone’, a reading device for the blind, invented by E. E. Fournier D’Albe: demonstrated in use by a man. Photograph, ca. 1921.
Published: Jan. 1921

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