厂商 ：上海嵘丞实业有限公司
上海 上海- 主营产品：
- 船舶用品
- 船用堵漏设备
- 液压螺母破切器
联系电话 ：15021020708
商品详细描述
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- IMPA CODE：370332
- 产品名称:航海六分仪 4×40mm
- 英文名称：Nautical sextants
- 规格型号：SEXTANT WITHOUT LIGHT 4X40MM_
- 产地：中国上海
- 产品描述：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
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