40256-French antique sextant

40256-French antique sextant This sextant is an antique around the end of the 19th century. The sextant is a tool used for navigation and astronomy. It is mainly used to measure the height of celestial bodies to determine the latitude and longitude of ships. Made of bronze the structure is strong to ensure the accuracy of measurement. The structure includes a telescope, which is used to aim at the object or horizon; there is a scale arc, marked with a scale of 0 to 120 degrees, which is used to read the measured angle; there are mirrors, including fixed mirrors and moving mirrors, to measure the angle by reflecting images of the celestial body or horizon. 尺寸size：長L13 x 寬W13 X 高H6 cm 重量weight ：334g 材質material : 青銅bronze Reference code : W40706-2311 ❗️請留意：古董物件無論顏色與表面皆有歷史使用痕跡，若有任何問題歡迎請來訊詢問。 ❗️Please note: Antique objects have historical wear&tear of use regardless of color and surface. If you have any questions, please feel free to contact us.