A) Polythene rod, 12mm x 300 mm (dia x length) B) Nylon Rod 12mm x
300 mm (dia x length) C) Ebonite friction Rod 12mm x 300 mm (dia x length) D) Glass rod 12mm x 300 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 x length) H) Silk cloth, 300mm x 300mm I) Woolen Cloth, 300mm
x 300mm J) Rubber Silk, 300mm x 300mm
