Made of steel, 12 x 5 mm in pairs ; half red & half blue (for N & S) spray painted, with keepers.
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Bell Electric for Physics Lab – With detachable plastic cover, dome gong. For use on 3 to 12 V AC/DC supplies.
Size: 50 x 10 x 5 mm
Load Stone Magnet for Physics Lab – Magnetic Iron Ore. Selected pieces
Educational Compass for Physics Lab – Card marked with points of compass & degrees. 175 mm overall diameter. 110 mm needle in case.
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