Sound Testing Silver Rounds with an Acoustic Model This Model was originally written to NASA in a paper called “Vibration of plates” by: A W Leissa <— legend In 1969-1970 We adapted his formula to fit our data for 1ozt 99.9 and 99.9+ Silver Rounds As is, it’s not as accurate as testing versus verified known authentics, but can still be useful. Shoutout to Ben Faber, MS Physicist and StackerTools developer, for deciphering Leissa’s paper and being able to get this formula in the app. If any questions let me know. Thank you
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