Iron Filings for indicating lines of magnetic force, pack of 500 gms.
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Ceramic magnets for good magnetic strength. Half red half blue, spray painted. 50 x 10 x 5 mm.
Size: 50 x 10 x 5 mm
Plotting Mariner’s Compass for Physics Lab – Magnetic needle mounted in a circular dish, having printed scale at the inside of the bottom, fitted with glass on the top. Diameter : (a) 12mm (b) 16mm (c) 20mm (d) 25 mm (e) 38 mm (f) 50 mm (g) 75mm
Half red & half blue (for N & S ) spray painted, with keepers. Made of cobalt steel 10 mm diameter available in different sizes.
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