How did people use a telegraph to communicate without speech?

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asked Dec 21, 2018 152k views

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Kalpesh Dusane · Answer 1 · 2018-12-22T20:26:37+0000

At the time telegraphs were a system for transmitting messages from a distance along a wire, especially one creating signals by making and breaking an electrical connection.

How did people use a telegraph to communicate without speech?

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