From the comments - Ned shows us this very excellent video of "Del's Beautiful New Wooden Machine", and beautiful it is!
An intricate hand-cranked machine made entirely of wood and glue (no metal or other materials). It was designed and built by my friend Del, using many different woods and incorporating a variety of mechanical motions. He has made several other wooden machines, but calls this latest one his crowning achievement.It's another awesome machine built only for the love of machine-making itself. I'm starting to think think there must be a whole a genre for these devices! Hmmm ... come to think of it, I do believe there's already a name for this type of thing -- "art" ;)


































Awesome machine - I wish I had a grandpa like that.
Builds a machine that does nothing but is very very cool.
Crispin
http://www.myenergyusage.org
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so that's a really big and complicated one of these:
http://blog.makezine.com/archive/2009/03/howto_make_a_donothing_machine.html
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