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Precision compass for testing magnetism
Reference : 31103
Made of anodized aluminum. Jewelled model sapphire on hardened steel point. Engraved dial Ø 13 mm. In wooden case.
Principle: An object is magnetized when one end of the compassneedle is attracted and the other repelled by it. If the needle is attracted at both ends, there is no magnetism.
Principle: An object is magnetized when one end of the compassneedle is attracted and the other repelled by it. If the needle is attracted at both ends, there is no magnetism.
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