Iron Filings for indicating lines of magnetic force, pack of 500 gms.
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Made of steel, half red & half blue ( for N & S ) spray painted, with keepers.
Educational Compass for Physics Lab – Card marked with points of compass & degrees. 175 mm overall diameter. 110 mm needle in case.
Made of steel 12 mm diameter, in pairs, half red & half blue (for N & S), spray painted, with keepers.
Bell Electric for Physics Lab – With detachable plastic cover, dome gong. For use on 3 to 12 V AC/DC supplies.
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