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Letter to Mrs Davis from Robert B Irwin
Letter to Mrs Davis of the Wayne County Library for the Blind from Robert B. Irwin, Executive Director of the American Foundation for the Blind, explaining progress in developing a machine to play Talking Books on vinyl records. Letter accompanies…
Excerpt from report on various proposed methods of recording talking books
Discussion of sound recording technology and the experts who contributed time to see what would work best for talking books for the blind
Report of the Advisory Committee... June 12, 1934
Meeting notes summarize a discussion and a demonstration by Mr. E R Harris' Readophone, being considered for use as with Talking Books (records) for the blind. Record size and sound reproducing principles were considered