Richard I'm always amazed how the numbers can show what we cannot hear. Paul Chick ----- Original Message ----- From: Richard Moody <remoody@midstatesd.net> To: <pianotech@ptg.org> Sent: Wednesday, October 10, 2001 10:45 PM Subject: Re: Tuning forks > Jim Coleman wrote.... "use your A440 fork to tune Bb4" > > And after the piano has settled lower one string of the 415.3 unison .3 > beats per second, or 3 beats every ten seconds or 1/3 the beat rate of > D4--A4 5th (theoretical).
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