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formulas

The method most likely used by Stradivarius, even if empiric, was based on an absolutely correct concept...

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The Young modulus, until some years ago, was the only scientific parameter available to measure sound velocity in materials. Nevertheless...

history of LucchiMeter invention

I often happened to be working on two sticks that, when first examined, appeared to share the same characteristics, but ended up as bows with completely different qualities.