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oct 1, 1887 - German, Heinrich Hertz invents radar. Rowell Hodge patents barbed wire. Emile Berliner invents the gramophone. F.E. Muller and Adolph Fick invent the first wearable contact lenses.

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WH timeline pt 2

Bygabe
27 Sep 2021
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Date:

oct 1, 1887
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~ 137 years ago
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