Miniature sundial – astronomical rings – H89

Description

 Miniature sundial – astronomical rings – H89  High quality miniature replica of a sundial from the 17th and 18th centuries – astronomical rings. A great gift for a navigator, sailor or astronomy enthusiast.  Product information: Dimensions: height 13 cm, diameter 4,5 cm, depth 4 cm.Weight: 60grMaterial: Made of znal and brass lacquered using a technique from several hundred years ago. Seated on a wooden base.Gift packaging: beautiful gift box with molding.Instruction manual in English, French, Italian and Spanish.Comes in an attractive decorative box with a molding on which the instrument rests.  The instrument consists of: a throne – a movable sling for determining latitude. The throne can be moved to set the correct latitude.meridian – a fixed ring with a latitude scalemovable “equatorial” ring with an hour scalea movable declination scale for determining months (in the center of the device) – acting like a gnomon. Each month is divided into three thirds of 10 days each. The names of the months are symbolized by letters, e.g. O – October. In the middle is a tiny movable element that allows you to set the correct month and date.  To read the time, unfold the equatorial ring so that it lies in a plane perpendicular to the meridian. Then determine the latitude using the throne.  Set the correct date on the declination scale. Hang the device with the throne after setting the actual latitude where you are. The sun's rays will indicate the correct solar time. Please note that the official time may differ from the solar time.