Chrome steel with true poles length 20 cms.
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Made of steel 12 mm diameter, in pairs, half red & half blue (for N & S), spray painted, with keepers.
Barlow Wheel for demonstrating the conversion of electric energy into mechanical energy. Star shaped copper disc 9cm dia. rotatable vertically on pair of adjustable centres and dipping
Plastic switch for experiments.
An annular magnet with face poles. Internal dia 12.5 mm, External dia 30 mm, thickness 6.5 mm
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