BALL AND RING APPARATUS
Consist of a brass ball of diameter 25 mm. fitted to wooden handle by a chain. This ball just passes through the brass ring attached in the centre by a support rod to the same handle. Ball does not pass after being heated.
Category: Physics & Electronic Laboratory Apparatus
CUBE METAL SET
Set of six, comprising one each of Aluminium, Iron, Copper, Brass, Lead and Zinc.
Size, side 10, 20, 25 mm.
Light alloy, with single hole to take rods up to 13 mm. diameter.
GEOMETRICAL INSTRUMENT BOX
Soft wood, contains one each of Divider, Protector, Set square 450 angle, Set square 600 angle, Compass, Rule, Board Cleaner. Each with a finger grip for convenient handling. Packed in a wooden box of size 400 x 240 x 75 mm. width x depth x height, fitted with brass fittings and a handle for carrying.
CUBE SET, WOODEN
Side 10, 20, 25 mm.