BELL IN VACUUM
Electric bell 6 V D.C. suspended in bell jar. Connections by two socket terminals fitted to a coiled wire which passes through a rubber bung which seals the mouth of bell jar.
Category: Physics & Electronic Laboratory Apparatus
Aluminium, plain of diameter 13 mm.
Cat. No. Length mm. 10.01 150 10.02 450 10.03 750 10.04 1200
Set of six perspex geometrical shapes, consisting of one each triangle, square, circle, rectangle, hexagon and octagon.
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.
CUBE SET, WOODEN
Side 10, 20, 25 mm.