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
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.
Aluminium, plain of diameter 13 mm.
Cat. No. Length mm. 10.01 150 10.02 450 10.03 750 10.04 1200
Brass diameter 13 mm.
CUBE METAL SET
Set of six, comprising one each of Aluminium, Iron, Copper, Brass, Lead and Zinc.
Size, side 10, 20, 25 mm.