50 mm x 50mm magnetic square rubber sheet.
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Ceramic magnets for good magnetic strength. Half red half blue, spray painted. 50 x 10 x 5 mm.
Load Stone Magnet for Physics Lab – Magnetic Iron Ore. Selected pieces
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
Made of steel, half red & half blue ( for N & S ) spray painted, with keepers.
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