Size: 50 x 10 x 5 mm
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Plastic switch for experiments.
Bell Electric for Physics Lab – With detachable plastic cover, dome gong. For use on 3 to 12 V AC/DC supplies.
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
50 mm x 50mm magnetic square rubber sheet.
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