386 STANDARD ELECTRICAL DICTIONARY.

Fig. 246. RICORDON'S RECIPROCATING MOTOR.

In the cut, B is an electro-magnet; A is an armature; E a pole piece.

The current enters by the springs, b b, and by commutation is supplied

and cut off alternately, thus maintaining a reciprocating movement of

the armature and rotation of the fly-wheel.

Synonym--Pulsating Motor.

Motor, Series.

A motor whose winding on the armature is in series with the winding on

the field. It is similar to a series dynamo. (See Dynamo, Series.)

Motor, Shunt.

A motor whose winding on the armature is in parallel with the winding on

the field magnets. It is similar to a shunt wound dynamo. (See Dynamo,

Shunt.)

Fig. 247. MULTIPLE ARC CONNECTION.

Multiple.

A term expressing connection of electric apparatus such as battery

couples, or lamps in parallel with each other. In the ordinary

incandescent lamp circuits the lamps are connected in multiple.

Synonym--Multiple Arc.

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