結果 : history of the telegraph machine
1:58

The Telegraph: The Civil War Text Machine

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1:31

Invention of the Telegraph

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13:02

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29:00

What happened to America’s Telegraph lines? How the Telegraph Transformed America - IT'S HISTORY

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20:17

How did people talk before cell phones? | History Remade with Sabrina

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2:59

Telegraphs and Telephones - How They Work

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3:45

How the Telegraph Changed Communication

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10:27

Evolution of Telegraph 1791 - 2020 | History of Telegraph, Documentary video

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4:21

The Invention of the Telegraph

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5:27

The Tragedy That Led Samuel Morse to Develop the Telegraph

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19:31

Telegraph History: "Telegram for America"

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11:15

Telegraph Machine History Part 1! - Telephone Tuesdays

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4:25

Invention Of Morse Code | The Dr. Binocs Show | Best Learning Video for Kids | Preschool Learning

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15:40

How the telegraph changed the world!

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645 回視聴 - 3 年前
19:31

First 100 Years: Western Union - Telegraph to Fax (1950s)

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12,986 回視聴 - 9 年前
4:11

Learn About the Telegraph and the Telephone

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2,906 回視聴 - 1 年前
5:24

The History of Morse Code

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6:25

Why 17 Million Telegrams Are Still Sent Every Year

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2:32

The Telegraph A History

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3:29

How Does Morse Code Work?

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