Made of steel, half red & half blue ( for N & S ) spray painted, with keepers.
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Ceramic magnets for good magnetic strength. Half red half blue, spray painted. 50 x 10 x 5 mm.
Educational Compass for Physics Lab – Card marked with points of compass & degrees. 175 mm overall diameter. 110 mm needle in case.
Deflection Magnetometer Compass for Physics Lab – A small magnetic needle having 100 mm needle at right angle in a tough plastic case. Cord marked with points of the compass and degrees. Can be used in magnetometer experiments
An annular magnet with face poles. Internal dia 12.5 mm, External dia 30 mm, thickness 6.5 mm
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