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Subject : Deaf -- Means Of Communication People : Lang, Harry G.

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FINDING AIDS
Title:
Robert H. Weitbrecht and James C. Marsters TTY modem
Size:
1.5 Linear fee)
Abstract:
The Robert H. Weitbrecht James C. Marsters TTY modem collection contains two metallic boxes with electronic circuitry inside that made up the acoustic telephone coupler (now known as a TTY modem) used by Dr. James C. Marsters in the first TTY telephone call between two deaf persons (May 1964).
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