Type the correct answer in the box. Spell all words correctly. Which type of electronic communication device did people use before Alexander Graham Bell introduced the first practical telephone?

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asked Oct 8, 2021 126k views

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Type the correct answer in the box. Spell all words correctly.

Which type of electronic communication device did people use before Alexander Graham Bell introduced the first practical telephone?

Type the correct answer in the box. Spell all words correctly. Which type of electronic-example-1

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Muhan asked

by Muhan

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Answer:

Telegraph

Step-by-step explanation:

Graham bell patent the Telegraph in 1876

Pinko answered Oct 14, 2021

by Pinko

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