Al Fredericksson

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Harmonograph – what you can do with a few bricks and some string!

April 29th, 2009 · Comments Off on Harmonograph – what you can do with a few bricks and some string!

I’ve just added a new page with some photographs of a simple version of a harmonograph – two pendulums connected to a pen which traces their combined motion. The resulting traces are quite fascinating. See it here.

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