26.08.1854: Charles Bourseul erfindet (fast) das Telefon

from Das Kalenderblatt · host Nordwig, Hellmuth

Eine elektrische Übertragung der menschlichen Stimme? Was für eine absurde Idee, meinte man zu Charles Bourseul und verhinderte damit erstmal die Erfindung des Telefons.

Episode metadata supplied by the publisher feed · Published Aug 25, 2026

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26.08.1854: Charles Bourseul erfindet (fast) das Telefon

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