370331 SEXTANT WITHOUT LIGHT 4X40MM

370331 SEXTANT WITHOUT LIGHT 4X40MM
规格参数 参数值
IMPA编码 370331
产品单位 SET
产品规格 A sextant is an instrument for measuring the angle between two objects by bringing into coincidence to the eye of the observer, rays of light received directly from one object and reflected from the other. Its principal use is to measure the altitudes of celestial bodies above the visible sea horizon. Available in various types. When ordering, specify telescope (magnifying & lens diameter) and whether the sextant should be with or without illumination. Furnished with a wooden or plastic case.
中文汉化 370331 不带照明的六分仪 六分仪是一种仪器，通过将观察者眼睛中的光线与直接从一个物体接收到并由另一个物体反射的光线对齐，来测量两个物体之间的角度。其主要用途是测量可见海平面上天空体的高度。有多种类型可供选择。下订单时，请指定望远镜（放大倍率和镜头直径），以及六分仪是否带照明。配备有木质或塑料外壳。
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