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 ...

[Willem Koopman aka Secretbatcave] was looking at a master clock he has in his collection which was quite a noisy device, but wanted to use the matching solenoid slave clock mechanism he had to hand.

Long before Apple, Garmin, Timex and Casio, Accutron invented the world’s first fully electronic watch. In 1960, Bulova’s subsidiary introduced the Spaceview with a Tuning Fork movement, which used a ...