Chrome steel with true poles length 20 cms.
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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
U Shaped Magnet for Physics Lab – Half red & half blue (for N & S ) spray painted, with keepers. Made of steel.
Mariner’s Compass for Physics Lab – Magnetic needle in Aluminium bowl with gimbals in polished wooden box with sliding cover, dia 75 mm approx
Dip Circle for Physics Lab with steel needle 10cm long on jeweled bearings, with circular metal scale, 13cm dia. and anti parallax mirror, both rotatable about vertical axis. Aluminium base 15cm dia. marked at four quadrants. Complete with extra needle dimensionally identical to first but un-magnetized.
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