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20 ч 44 мин, 13 фев 1837 г. -

Описание:

Morse employs Alfred Vail to improve his telegraph from demonstration purposes for a share of future patent rights

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ByWilliam Ward
30 окт 2018
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20 ч 44 мин, 13 фев 1837 г.
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~ 187 г назад
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