The background is of The Zytglogge tower, which is a landmark medieval tower in Bern, Switzerland. It's said the clock tower helped Albert Einstein hone his theory of relativity, developed while working as a patent clerk in Bern. The great scientist surmised, while travelling on a tram away from the tower, that if the tram were going at the speed of light, the clock tower would remain on the same time, while his own watch would continue to tick - proving time was relative.
The pendulum suspension is made from leather rather than using a metal spring. The weight-driven movement is wound daily by hand. That task, a role known as the "Zytgloggenrichter".
October 25th, 2012
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