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Radios, Phones, & Telecommunications, Inventions in...
Radios Phones Telecommunications Inventions in
Author: Michele Ross
Have you ever wondered how your ears hear a bird sing or a telephone ring? Construct your own radio, telephone and speaker to find out how we communicate over hundreds and even thousands of miles. Follow the experiments in this project kit for kids to amplify your voice, make a burglar alarm, and send Morse Code. LEARNING ABOUT HOW SOUND TRAV...  more »
ISBN: 397371
Publication Date: 2004
Pages: 32
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Publisher: Jazwares Distribution, Inc.
Book Type: Paperback
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