BELL IN JAR
Used to study effects of vacuum on sound transmissions. Consists of a glass bell jar and a bell mounted on a rubber stopper with accessible electrical Contacts. With instructions.
Category: Physics & Electronic Laboratory Apparatus
Brass diameter 13 mm.
Set of six perspex geometrical shapes, consisting of one each triangle, square, circle, rectangle, hexagon and octagon.
CUBE SET, WOODEN
Side 10, 20, 25 mm.
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.