> Michel, > According to Jim Ellis's article in the May, 1995 Journal, p. >35-6: >"A rapid drop of four degrees in ambient temperature can cause the piano, >especially the middle section, to go sharp by about 5.5 cents. A similar >rapid rise in temperature can cause it to go flat by the same amount. This >is a transitory effect, and it goes away if the piano is left alone long >enough for the strings and plate to come to the same temperature." Thank you very much, it's exactly that kind of information I am looking for. Michel Lachance, RPT
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