... ,educational equipment,laboratory equipment used in physic experiment. A) Polythene rod, 12mm x 300 mm (dia x length) B) Nylon ... mm (dia x length) E) Perspex rod, 12mm x 300mm (dia x length) F) Compound Rod Glass/Brass, 12mm x 300mm (dia x ... length) G) Compound Rod Ebonite/Brass, 12mm x 300mm (dia ...