The Geochron World Time Indicator is a clock that doubles as a live map of where the sun is shining ... Using a synchronous motor, transparent slides, and a lighted platen, the Geochron works ...
The Geochron World Time Indicator is a clock that doubles as a live map of where the sun is shining ... Using a synchronous motor, transparent slides, and a lighted platen, the Geochron works ...
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