The Blind Lead the Blind
The Blind Lead the Blind
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About This Book
Welfare Magazine : v.29, November 1928, pp. 1248-1255. Discusses new inventions from Paris adding the blind. A cross-word puzzle board for the blind and a new mathematical frame with figures letters and symbols adapted for learning simple and higher mathematics. In addition to an improved typewriter for the blind and a high speed press for increased blind production.
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