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![How to build a Telegraph](https://i.ytimg.com/vi/1r2eOpkBTOo/hqdefault.jpg)
How to build a Telegraph
- Published_at:2017-03-20
- Category:People & Blogs
- Channel:What Stuff?
- Ranked in:
- tags: YouTube Editor telegraph diy electricity build a pole barn build your own telegraph what is a telegraph morse how build morse code educational electric to telegraph key electrical telegraph (invention) telegraph sounder electrical telegraph led...
- description: With just a few items you can build a Telegraph! Very cool to do for a science fair project. Enter to win $100 gift card- Subscribe and Enter to win! http://gimmyit.com/giveaway/100-gift-card-giveaway/
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