Vernon  

 Sundial: 1144
State/Province:  British Columbia Country:  Canada
Dial Type:  Heliochronometer Condition:  Excellent
  Latitude and Longitude: 50° 17.400' N  119° 12.024' W
Location:
  • Although this dial has at least one physical location, it is universally available for free on the internet.

    Questions can be addressed to:
    marc.aka@shaw.ca
 
Description:
  • This heliochronometer, called a Gard Clock Hybrid Sundial, is a precision instrument constructed by 3D printing. The dial featured in the photos below has a large equatorial ring 7.7 inches (19.5cm) in diameter with an inner geared ring of 144 teeth. The teeth engage a planetary gear system to a secondary minute dial for accurate time reading. It also uses a curved analemma and nodus vertical plates. The nodus is an oculus with tilt adjustment, casting a ring and spot of light onto the rear analemma. Separate equatorial ring and analemma are made for the Northern and Southern hemispheres. The heliochronometer has longitude adjustment and with the analemma, converts local solar time into civil time. Estimated accuracy is less than one minute of time.
 
General Information:
  • Owner: Marc-André Nadeau
  • Designer: Marc-André Nadeau
  • Builder: Marc-André Nadeau
  • Construction Date: Original Release Sept 2024
 
References: Web Links:
  • Gearing loosely based on a design by J.D. Gard of Tucson

Attachments Available:

Last Revised: 2025-11-02 17:02