Schlagwort: Telephone system at ETH Zurich

Series IT Find 3/2023: Do you know your way around?

Come with us as we travel back in time: How familiar are you with old analog telephones and what do you personally associate with these devices? Tell us your story!

You need at least two wires to make a phone call. This big old analog telephone, as shown in the picture, requires 66 wires
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erstellt am von Sabine Hoffmann

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