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From the lens Making A Two-Way Telegraph.
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oommengeorge
May 1, 2012 @ 1:23 am | delete
- Very nice
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iijuan12
May 4, 2011 @ 3:42 pm | delete
- Thank you for the directions! We're going to attempt making a telegraph machine tomorrow with our homeschool co-op as we
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lakshyaa
Dec 9, 2009 @ 4:29 am | delete
- Interesting read! Thanks for sharing :)
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aj2008
May 25, 2009 @ 11:48 am | delete
- What an interesting and unique lens!
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by divacratus
How To Make a 2 Way Telegraph!
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