Magnets
Magnets
In this PDF booklet, the basic physics about how magnets work and how they are utilized by the U.S. Navy are discussed. Subjects: Defining magnets; how do magnets work; magnets vs gravity; exercise with magnets; and compasses.
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Images: NH 115156: Compass Repeaters: NH 63819: Trade Schools Gyro Compass Study, 1920.
