Solenoid, multi loops, 7 turns copper wire 3mm dia, mounted on acrylic sheet with socket connections.
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Made of steel, half red & half blue ( for N & S ) spray painted, with keepers.
Plastic switch for experiments.
Mariner’s Compass for Physics Lab – Magnetic needle in Aluminium bowl with gimbals in polished wooden box with sliding cover, dia 75 mm approx
Ceramic magnets for good magnetic strength. Half red half blue, spray painted. 50 x 10 x 5 mm.
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