A model of the simplest form of d.c. electric motor, having a 2-pole armature wound with enamelled copper wire, and a permanent magnetic field provided by a removable magnet. The construction of the model is completely open and all components are readily observable. A disc-type commutator is incorporated and external connection to the phosphor-bronze bushes is by means of a pair of 4mm sockets. The motor will operate on 3 to 6V d.c.

• 2-pole armature wound with enamelled copper wire

• Removable permanent magnet for magnetic field

• Disc-type commutator for efficient operation

• External connection via 4mm sockets to phosphor-bronze bushes

• Operates on 3 to 6V d.c.

• Height: 125mm