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Original Kilburg Geochron Topographical - Black Hickory Veneer

Original Kilburg Geochron Topographical - Black Hickory Veneer

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The Geochron allows any observer to determine what time it is anywhere in the world. Physically the Geochron looks like a framed world map, about 2×3 ft. in size. The colourful map itself is an endless belt that is driven slowly from left to right by an electric clock motor in synchronism with the rotation of the earth.

All known legal time zone boundaries are delineated on the map by dark blue lines which in most cases, converge on lettered pointers on the top edge of the map. These letters identify the standard time zones and also represent the short wave radio prefix for that zone.   


Specifically, the Geochron illustrates:

  • Legal time zones
  • Greenwich Mean time
  • Greenwich Apparent time
  • Local Apparent time
  • Moment of sunrise
  • Moment of sunset
  • Duration of daylight
  • Sun’s meridian passage
  • Sun’s equation of time
  • Degrees of latitude and longitude

Dimensions: 870 mm x 570 mm x 120 mm

The Building Process: Each Geochron is individually built to its owners specifications and as such you will be required to indicate on your order:

  • A trim colour from Black, Gold or Silver. The trim is the colour that the face, time band and date band are framed in, and
  •  Whether you would like a 12 or 24 hour time band along the top of the map. 

Once we have your order your timepiece will begin assembly, taking approximately 2 - 3 weeks for completion and delivery.

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