Electromagnetic bar magnets
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3,557 Bar Magnet Royalty-Free Images, Stock Photos & Pictures
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These Alnico Bar magnets have poles designated N and S for easy identification by young students. Size: 150 x 12 x 7 mm.
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These red and blue Plastic Covered Bar Magnets are safe and effective aids for demonstrating the attracting and repelling forces of magnets. The
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