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
CUBE SET, WOODEN
Side 10, 20, 25 mm.
Brass diameter 13 mm.
QUICK LOCK CLAMPS
150 mm. long plated screw to hold up to four pair of single groove casted light alloy aluminium washers, fastened with metal washer and nickel plated wing nut.
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.