Whatever kind of clock you’re interested in building, you’re going to need to build an oscillator of some sort. Whether it be a pendulum, a balance wheel, or the atomic transitions of cesium or ...

[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.

THE tuning-fork when its number of double vibrations, to and from in a second, or briefly its frequency, has been ascertained, is a most convenient instrument for measuring minute divisions of time.

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 ...