How it set a piano tuner using a tuning fork, a piano wire to a certain fundamental frequency?

marimba tuning the plans: question Canela Clarita : What is a piano tuner employing a tuning fork, a piano wire to a certain fundamental frequency How it set a piano tuner using a tuning fork, a piano wire to a particular fundamental frequency? It is a matter of physics and for some reason I can not do it in my head. An individual please clarify it to me. I would actually appreciate finest answer. response from billrussell42 beat frequencies in between the fork and use the wire. For

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