fourier analiser from Gymnasiumnovum on Vimeo.
Mixer math with plywood and gears.
http://www.instructables.com/id/Plywood-Math-Machine/
http://hackaday.com/2016/04/11/fourier-machine-mimics-michelson-original-in-plywood/#more-199177
http://hackaday.com/2014/11/18/harmonic-analyzer-mechanical-fourier-computer/
Posts
Re: DX-60B audio circuit levels
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Interesting about the hum. I noticed a bit of hum after applying the
WA1QIX mods to mine and grounding the chassis, but adding some extra filter
capacita...
2 hours ago
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