Fig. 24. DISC ARMATURE OF FRITSCHE MACHINE.
Fig. 25. PLAN OF WINDING PACINOTTI'S DISC ARMATURE.
Armature, Discoidal Ring.
In a dynamo an armature of the shape of a ring of considerable radial
depth of section as compared to its axial depth. It is generally made of
iron ribbon or thin band wound to the proper size.
Synonym--Flat Ring Armature.