Title:SHIP'S MAGNETISM AND DEGAUSSING PART 2: SHIP'S PERMANENT MAGNETISM [Main Title]
Film Number:DRN 86B
Other titles:
Summary: A Naval instructional film showing how magnetism naturally occurs when ships are built. Additionally, the magnetic effects of where and in what direction a ship is built are discussed. Permanent magnetism in ships is explained as is the effect this has on the ship's magnetic compass and how this is compensated for.