海事装备
| 规格参数 | 参数值 |
|---|---|
| IMPA编码 | 370332 |
| 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 | 370332 六分仪 带照明 4×40毫米 MS-633-4L -----描述-----：六分仪是一种通过将来自一个物体的直射光线和来自另一个物体的反射光线在观察者眼中重合，从而测量两个物体之间夹角的仪器。其主要用途是测量天体相对于可见海平线的高度。有多种类型可供选择。订购时请注明望远镜的放大倍数和镜片直径，以及六分仪是否需要带照明装置。配有木盒或塑料盒。 |
| IMPA版本 | Other Versions |
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