Nautical Sextant
IMPA
370333
- IMPA:
- 370333
- Specification:
- Star Telescope:7X35mm Prismatic Monocle,Illumination:With Light,Radius:162mm,Graduation:-5℃-125℃ into 1°on the arc,Weight:2.0kgs
- Unit:
- Price:
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- Origin:
- China
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Description
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 ce