1898: Poulsen records voice on magnetic wire


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1898: Poulsen records voice on magnetic wire
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1898: Poulsen records voice on magnetic wire - Technologies, IT, Rarity, Inventions, History, Innovations, Scientists, Longpost
1898: Poulsen records voice on magnetic wire - Technologies, IT, Rarity, Inventions, History, Innovations, Scientists, Longpost
1898: Poulsen records voice on magnetic wire - Technologies, IT, Rarity, Inventions, History, Innovations, Scientists, Longpost
1898: Poulsen records voice on magnetic wire - Technologies, IT, Rarity, Inventions, History, Innovations, Scientists, Longpost
1898: Poulsen records voice on magnetic wire - Technologies, IT, Rarity, Inventions, History, Innovations, Scientists, Longpost

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