Morse and the Telegraph
出版時間:2006-01
頁數(shù):16
ISBN:9780618599820
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圖書介紹
What were some ways that people sent messages before Morse invented the telegraph? What gave Morse the idea of inventing the telegraph? Use the Morse code on page 6 to write a message to a classmate. Ask your classmate to write back using the same code. These suggestions and questions and more are addressed in this fascinating book.
What were some ways that people sent messages before Morse invented the telegraph? What gave Morse the idea of inventing the telegraph? Use the Morse code on page 6 to write a message to a classmate. Ask your classmate to write back using the same code. These suggestions and questions and more are addressed in this fascinating book.
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