AE-1 talking-book machine equipped with a three-speed motor (33-1/3, 16-2/3, 8-1/3 rpm) is put into service.
never
1962
National music library services are authorized by Congress.
Talking books for children are produced on ten-inch discs at 16-2/3 rpm.
1963
All talking books are produced on ten-inch discs at 16-2/3 rpm.
1965
AE-1 talking-book machine equipped with a three-speed motor (33-1/3, 16-2/3, 8-1/3 rpm) is put into service.
Telephone Pioneers begin installing three-speed motors in thousands of existing talking-book machines.
First large-print music score is produced for the collection by volunteers from Sigma Alpha Iota women’s music sorority.
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