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Why Do Ships Have Two Balls?
Soft Iron Spheres | Magnetic Compass | Merchant Navy #earth #navy #shiplife #magnetic
How to adjust Magnetic Compass
Parts of a magnetic compass - Video
Ship's magnetism - Magnetic Compass
Water, magnet, needle - Compass!
Deviation Due To Hard Iron VSI And HSI | Magnetic Compass | Merchant Navy #earth #navy #compass
The Remote Indicating Compass (Slaved Gyro Compass)