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
GEOMETRICAL MODELS WOODEN SOLID
A set of 16 or 21 plane and solid geometric shapes. The plain shapes include triangle, rectangle, square, circle, semi circle, figure with five sides, six sides, eight sides, right angle. Solid figures include triangle, rectangle, cylinder, square, cone, square base pyramid, triangle base pyramid, pentagon, hexagon, octagon, sphere and ellipse. Supplied in a polished wooden box.
CUBE METAL SET
Set of six, comprising one each of Aluminium, Iron, Copper, Brass, Lead and Zinc.
Size, side 10, 20, 25 mm.
Hardwood, with single quick lock clamp.
Brass diameter 13 mm.