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The first Atmos clock was designed by Jean-Léon Reutter, an engineer in Neuchâtel, Switzerland, in 1928. [5] [6] [7] This noncommercial prototype, which predated the Atmos name but is now known unofficially as Atmos 0, was driven by a mercury-in-glass expansion device. The mechanism operated on temperature changes alone.
The Atmos clock, made by Jaeger-LeCoultre, is a type of torsion pendulum clock that winds itself. The mainspring which powers the clock's wheels is kept wound by small changes in atmospheric pressure and/or local temperature, using a bellows mechanism. Thus no winding key or battery is needed, and it can run for years without human intervention.
Atomic clocks have the benefit that atoms are universal, which means that the oscillation frequency is also universal. This is different from quartz and mechanical time measurement devices that do not have a universal frequency. A clock's quality can be specified by two parameters: accuracy and stability.
The Atmos. The Atmos Clock is a timepiece of near-perpetual movement needing no human intervention and almost no energy. Invented by Swiss engineer Jean-Léon Reutter in 1928 in Neuchâtel, the Atmos clock has been the Swiss government's official gift for important guests since 1950. Patented in 1928, the first version – known today as the ...
Patek Philippe’s “World Time Wall Clock” combines intricate timekeeping with sleek design. Featuring 24 time zones encased in polished brass, this clock is a rare find for collectors who ...
If you’ve grumbled about the disruption in your sleep when having to change your clock twice a year for Daylight Saving Time, you are not alone.
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