航海六分仪 IMPA370332

IMPA编号中文名称规格型号

Nautical Sextants

航海六分仪

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 and lens diameter) and 

whether the sextant should be with or without illustration. Furnished with a wooden or plastic case.