Miniature sundial - astronomical rings

Miniature sundial - astronomical rings This is a miniature replica of a device used in the 17th and 18th centuries - a universal sundial. It is made of znallium and brass, lacquered using techniques from several hundred years ago. Product information: Dimensions: Diameter 0.5 cm x Depth 0.5 cmWeight: 50gInstruction manual in English, French, Italian, and Spanish.Gift packaging: Arrives in an attractive gift box with a molded case for the device to rest in.Fantastic gift for a navigator, sailor, or astrology enthusiastPendant - burgundy lanyard The device consists of: - throne - a movable sling to determine latitude. The throne is movable to set the correct latitude.- meridian - a fixed ring with a latitude scale- a movable "equatorial" ring with an hour scale- a movable declination scale to determine the months (in the center of the device) - acts as a gnomon. Each month is divided into three thirds, each 10 days long. The names of the months are symbolized by letters, e.g., O - October. In the center, there is a small movable element that allows for setting the correct month and date.