NOUN
- the angle (at a particular location) between magnetic north and true north
How To Use magnetic declination In A Sentence
- The compass needle and a knowledge of magnetic declination, the angle between the magnetic north and geographic north, were developments from this knowledge; they were described by Shen Kua in 1088.
- Proposals were being made to solve the longitude problem and in 1673 one based on magnetic declination was proposed by a certain Henry Bond.
- On the North Rim the difference between map and compass is 15 east, a distinction known as magnetic declination.
- He also studied magnetic declination and was the first to observe the secular variation.
- Gellibrand's most famous scientific discovery was the change over the years in magnetic declination.