Altitude Ring Dial - Miniature - Desk Model Scientific which influences the tides as

which influences the tides as it rotates around the earth

Renaissance style

This is a replica of a Nocturnal and Tide Computer from 1570 signed by Humphrey Cole

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

explaining its use and historical context

Altitude Ring Dial - Miniature - Desk Model Scientific which influences the tides asMiniature 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