Claude Chappe

One example of Chappe telegraph tower, in Narbonne, in the south of France.

Claude Chappe (December 25, 1763 – January 23, 1805) was a French inventor who in 1792 demonstrated a practical semaphore system that eventually spanned all of France. This was the first practical telecommunications system of the industrial age, making Chappe the first telecom mogul with his "mechanical internet."

单词	tachygraph
释义	tachygraph /'tækiɡrɑ:f/ 英汉-汉英词典 n. 速记词组 \| 习惯用语您要查找的是不是： witchcraft n. 巫术；魔法 chirography n. 书写, 笔迹; 书法 typography n. (活版)印刷术；排印，印刷样式 tachycardia n. 心动过速 cryptography n. 密码使用法,密码系统;密码术网络短语: tachygraph 血流速度描记器 tachygraph h 血流速度描记器英语百科 Claude Chappe Claude Chappe (December 25, 1763 – January 23, 1805) was a French inventor who in 1792 demonstrated a practical semaphore system that eventually spanned all of France. This was the first practical telecommunications system of the industrial age, making Chappe the first telecom mogul with his "mechanical internet."
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tachygraph /'tækiɡrɑ:f/

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网络短语:

Claude Chappe