40256-法国古董六分仪French antique sextant

40256-法国古董六分仪French antique sextant 这件六分仪是约19世纪末古物。六分仪是一种用于航海和天文学的工具，主要用于测量天体的高度，以确定船只的纬度和经度。由青铜制成，结构坚固，以确保测量的精确度。结构有望远镜，用于瞄准天体或地平线；有刻度弧，标有0到120度的刻度，用于读取测量的角度；有反射镜，包括固定镜和活动镜，通过反射天体或地平线的影像，进行角度测量。 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：长L13 x 宽W13 X 高H6 cm 重量weight ：334g 材质material : 青铜bronze Reference code : W40706-2311 ❗️请留意：古董物件无论颜色与表面皆有历史使用痕迹，若有任何问题欢迎请来讯询问。 ❗️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.