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Marine Sextant GLH-130
Marine Sextant GLH-130
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13 Oct 2020
China
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Specification of

GLH-130-40 nautical sekstan

Sekstan, a device to measure the angle between two optical instruments target distances. You can use to measure the angle of the Sun sekstan or other objects on the horizon or horizons, in order to quickly learn latitude and longitude where the position of the ship or aircraft.

Sekstan precision angle measurement instrument, consisting of three parts of the body frame, optical systems and devices read the goniometer and koother mponen. Optical systems including telescope, moving mirrors, lenses and filters, such as fixed; goniometer device read took part in degrees of arc, a batang index, drum and vernier wheels and so on. These components are mounted on the frame of the body, and through the lever index? Optical reading devices and goniometer connected to the whole. Sekstan based on the outer corner triangle geometry "is equal to the angle and two non-adjacent", "the wrong angle in parallel lines is sAMA, "" angle arc center can be used to measure the distance "and the principle of measuring angles.

Complete set of equipment:

1.2. sekstan telescope 1

3. Alternative 3 spring 4. spare bulb

5. Calibration key 1 6. one-tank boat

7. a screwdriver 8. Brush 1

9. the smear test flannel which is 10. Manual 1

11. a certificate 1

Basic parameters

(1) Measuring range:-5 ~ + 130
 

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