matthancan matthancan

13-11-2017
Social Studies

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Which Inventor invented the electric telegraph and a code to use with it?

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Аноним Аноним

13-11-2017

Samuel Morse independently developed and patented a recording electric telegraph in 1837.

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tamiradeshautelle tamiradeshautelle

13-11-2017

In 1836 an American scientist ,Dr . David Alter , invented the first the first know American electric telegraph

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