>I would not say the ETD eliminates the work of a pitch raise. Rather, it >helps to calculate the overpull so that when you are done it is within a few >cents and the fine tuning requires little further change in pitch, though >not less work to fine tune. The extra charge is for the extra time involved >in the pitch raise itself, it is not a punitive charge. David, So what's the difference in time between a first pass of two passes at pitch with an ETD, or a first pass of two passes at a quarter semitone low with an ETD? That's the essence of the question. Ron N
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