A 128Hz medical tuning fork appeared in my collection thanks to a friend! Have you ever used a tuning fork? According to Wikipedia, the tuning fork was invented in 1711 by British musician John Shore, ...
This is a standard C 128 Hz tuning fork, commonly used by doctors, nurses, and audiologists for hearing tests and neurological exams. It's made from stainless steel, produces a clear tone when struck, ...
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