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
Type ……………Aluminium Brass Copper Iron Mild Steel Lead Stainless Steel.
Diameter mm. ………………. 12 19 25
Set of six perspex geometrical shapes, consisting of one each triangle, square, circle, rectangle, hexagon and octagon.
Cast iron with levelling screws, with vertical and horizontal holes to accept 13 mm. diameter rods, each hole with a clamping screw. Overall length 240 mm. mass approx. 2.5 Kg.
Brass diameter 13 mm.