BAR AND GAUGE
To demonstrate the expansion on heating and contraction on cooling. Consist of a mild steel bar 110 x 13 mm. diameter fitted in the center with a support rod having a wooden handle, brass just slides length wise when cold, with a hole in one arm through which bar just passes when cold.
Category: Physics & Electronic Laboratory Apparatus
Set of six perspex geometrical shapes, consisting of one each triangle, square, circle, rectangle, hexagon and octagon.
Light alloy, with single hole to take rods up to 13 mm. diameter.
Hardwood, with single quick lock clamp.
GEOMETRICAL INSTRUMENT BOX
Soft wood, contains one each of Divider, Protector, Set square 450 angle, Set square 600 angle, Compass, Rule, Board Cleaner. Each with a finger grip for convenient handling. Packed in a wooden box of size 400 x 240 x 75 mm. width x depth x height, fitted with brass fittings and a handle for carrying.