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Education.com

Education.com: Morse Code Messaging

For Students 3rd - 5th
[Free Registration/Login Required] One of the most important code systems invented is the internationally-recognized Morse code, which matches dots and dashes to letters of the alphabet. This revolutionized communication by sending...
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Maryland Science Center

Maryland Science Center: Diy Telegraph [Pdf]

For Students 6th - 8th
Instructions for how to build a telegraph device for sending a message in Morse code.

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