Chrome steel with true poles length 20 cms.
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Made of steel, 12 x 5 mm in pairs ; half red & half blue (for N & S) spray painted, with keepers.
Made of steel, half red & half blue ( for N & S ) spray painted, with keepers.
Suspension Magnet for Physics Lab – Cylindrical chrome steel magnet with hole in the centre
Plotting Compass Glass for Physics Lab – Magnetic needle mounted on pivot in aluminium case with both sides glass with cross lines at 90°. (a) 20 mm (b) 25 mm (c) 50 mm.
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