Hi again, I'm curious - I read the evidence for 457.2Hz is a single fork, and which was related to me after I first posted - perhaps it was used for chipping. As I only just found this out, have S&S any official standpoint on this issue, perhaps with better documentation in fact that they did scale to such a pitch? and Bill - what looked so strange about the scale in Pscale? I see little option but to stay so close as possible to original with antique instruments. Clark
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