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Edition 24 Aug 2018
The Mark 15 has a 7″ (18 cm) frame radius graduated from 120 degrees to -5 degrees and comes with a traditional half-silvered mirror
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CAMTAS update Fisherman's fish identification flip slates
Packed with easy-to-follow instructions and clear illustrations
How to use Plastic Sextants Protractor Edition 24 Aug 2018How to use Plastic Sextants by David Burch Sextants are used to measure angular heights of celestial bodies above the horizon to find the latitude and longitude of the observer. They can also be used on land with artificial horizons. Sextants can also be used to find the correct Universal Time by measuring the angular distance between the moon and another body along its path across the zodiac. In coastal waters or on land, sextants can be used for
