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Mariners Astrolabe Geocoin

No ratings. Art.No.: GC-ASTROL
31,90 € , plus Shipping
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Mariners Astrolabe Geocoin

Large functional geocoin with diameter 63 mm.

Geocoin is delivered in box, together with holder.

Measuring sun declination

1) Hold the geocoin towards the sun

2) Let the sun shine through holes

3) Adjust the rotating part so the sun beam passes through both holes


4) Read the sun decliantion


Latitude reading in night

1) Hold the geocoin towards the Polaris (North Star)

2) Line up the holes sou you can see Polaris through both holes

3) Read your latitude

Weight 0.105 kg
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