Color print advertisement from the Research and Development Unit of Bell Laboratories. A cartoon image of a large magnet attracting a steam locomotive car, lifting it from the ground, occupies the upper half of the page.
The text summarizes the work of scientists at Bell Labs, specifically E. A. Nesbitt and colleagues, in synthesizing small yet powerful magnets from alloys of rare earth metals. Their process to synthesize rare-earth compounds with the maximum coercive force is briefly described. Coercive force is "the field required to reduce intrinsic magnetization to zero," i.e., the greater the coercivity of the compound, the stronger the magnet produced.
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