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, ...
Forks are used to tune musical instruments as well as for medical and sound therapy purposes.
Feb. 13, 2004 — The quantitative tuning fork is accurate for testing of vibration sense, according to the results of a study published in the Feb. 10 issue of Neurology. The investigators suggest that ...