Altitude Ring Dial - Miniature - Desk Model Scientific Orient the compass north and

Orient the compass north and let the shadow tell your solar time

The name astrolabe comes from the Greek word for star astro and the Greek word Labio meaning that which seeks

This item is based on his work

and surveyors widely used until the 17th century

Crafted with a weighted base

Altitude Ring Dial - Miniature - Desk Model Scientific Orient the compass north andMiniature sundial, Height sundial. From 16th 17th centuries. This dial is a solar altitude clock. It takes ts name because the parameter of its construction is based on the altitude of the Sun. The dial is composed of a circular band perforated by two offsetting symmetrical holes through which the sun rays pass and are projected as a small elongated spot of light on the hourly line etched on the interior of the dial. Crafted of brass comes complete