Made of steel, 12 x 5 mm in pairs ; half red & half blue (for N & S) spray painted, with keepers.
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Mariner’s Compass for Physics Lab – Magnetic needle in Aluminium bowl with gimbals in polished wooden box with sliding cover, dia 75 mm approx
Chrome steel with true poles length 20 cms.
Half red & half blue (for N & S ) spray painted, with keepers. Made of cobalt steel 12 x 6 mm – available in different sizes. Bulk Manufacturers & Suppliers of U Shape Magnet Alnico with High Power. Exporters of U Shaped Alnico Magnets
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
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