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Description: "Danavox" transistor hearing aid, cased, by Danavox International, Denmark, 1950-1970 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: hearing aids Temporal: 1950-1970 Source: Science Museum Creator: Danavox International (maker) Identifier: A602527 Go to resource More Like this...
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