50 mm x 50mm magnetic square rubber sheet.
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Plotting Compass Glass for Physics Lab – Magnetic needle mounted on pivot in aluminium case with both sides glass with cross lines at 90°. (a) 20 mm (b) 25 mm (c) 50 mm.
Bell Electric for Physics Lab – With detachable plastic cover, dome gong. For use on 3 to 12 V AC/DC supplies.
Load Stone Magnet for Physics Lab – Magnetic Iron Ore. Selected pieces
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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