The Geochron, perhaps best described as a functional wall sculpture, is a dramatic 2-foot-by-3-foot (34 1/4" x 22 1/2" x 4 1/2") global map/chronometer, framed with wood and encased behind glass, whose timepiece is synchronized with the earth's orbit. The principal objective of the Geochron is to provide a device capable of pictorializing, on a flat surface global solar time and its modifications as well as related natural phenomena. The Geochron displays the following: Legal Zone Time, Greenwich mean time, Greenwich apparent time, local apparent time, local mean time, moment of sunrise, moment of sunset, duration of daylight, sun's meridian passage, sun's equation of time, degrees latitude, degrees longitude, the geographic extent of the prevailing day and date. The Geochron is the only instrument of its kind to simultaneously exhibit the current time anywhere in the world as well as displaying where the sun is rising, and when it will set. Each gear is individually hand-cut to ensure optimum synchronization. Each world map is made using state of the art lithography printing which uses specially formulated inks designed to make the map resistant to ultraviolet light. And by the time each Geochron is hand-crafted for shipment anywhere, it has been personally inspected, passing through 24 designated key inspection points. Maps are made to order per customer's specifications. After 40 years of building Geochron, every single device is still completely assembled by hand, lending a personal touch to each Geochron unit. Original prints from the first Geochron are still a large base for today's models and it is important that the Geochron remains an analog device.
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