Electroscope, Pith Ball (AVI-ES-3525)

A plated brass pillar, mounted on bakelite/plastic base, 2 pith balls suspends by cotton thread.

Pith Balls (AVI-ES-3526)

A pack of 10 in polythene envelope.

Large Electrolytic Capacitor (AVI-ES-3527)

To demonstrate how the charge is stored in a capacitor and generate the concept of energy storage and its relation with the voltage across the condenser plates. A large electrolytic capacitor mounted on wooden base and provided with 4 mm sockets for connections.

Malvern Elecrostatic Kit (AVI-ES-3528)

Kit consists of:
Electroscope, Proof plane, 4 metalised polystyrene spheres or pith balls, 1 reel of fine nylon thread, 2 Polythene plates 60 x 60 mm square, 1 Electrophorous plate 50 mm dia. with handle, 2 Aluminium cylinder 50 mm x 25 mm, 1 Cellulose acetate strip, 1 Polythene strip 150 x 25 mm, 1 Polishing cloth, 1 Stirrup for suspending strips, 1 Plated wire hook.

Electrostatic Friction Materials (AVI-ES-3529)

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

Butterfly Net, Faraday's (AVI-ES-3530)

To show that electric charge resides on external, surfaces of conductor. Nylon fabric net with cord on insulating pillar with base