SKU: KSB44933

1965 Press Photo Oberpostinspektor Thiel testing a blind telegraphic recorder.

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Blind persons working as telex typist. Ingenieur Eduard Thiel and his son Hans Joachim from Darmstadt constructed a telegraphic recorder, which makes it possible to be operated by blind persons , Duri

8.25 x 6 inches., Photo year: 1965

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