Astronomical Ring Dial

H21

4 Items

Although known as the astronomical ring, it is principally employed as an ecuatorial solar universal quadrant. Its use was widespread during 18th century. 

It is composed of a ring that can be adjusted to various latitudes, a meridian ring showing the latitude scale, a moveable hour ring and a central, grooved bar that is graduated for the months of the year and a perforated cylinder, which moves over this. It will indicate the solar local time.

Measure:

Max height (with stand): 12cm / Diameter: 10cm / Thickness: 0,4cm
Max height (with stand): 4.7 inches /Diameter: 3.94 inches / Thickness: 0.11 inches

90,00 € tax incl.