等到了十一岁时，他已经装配起一个简易电报机，并时常练习摩尔斯电码。
By the time he was eleven, he had set up a home-made telegraph and was practicing the Morse Code.
1858年的今天，萨缪尔·摩尔斯首次成功地测试了电报机。
1858 - Samuel Morse first successfully tested the electrical telegraph.
1858年的今天，萨缪尔·摩尔斯首次成功地测试了电报机。
1858 - Samuel Morse first successfully tested the electrical telegraph.
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