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THE WIDESCREEN CENTER
ASTRONOMICAL RING

ASTRONOMICAL RING

Product code: HH210

£79.00

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 garduated for the months of the year and a perforated cylindeer, which moves over this. It will indicate the solar local time.

Diameter: 3.94 inches

Thickness: 0.11 inches


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