P. M. M. C. Instrument

P. M. M. C. System

Controlling System

Damping System

Permanent magnet

Moving coil

Iron Core

Control Springs

Eddy Currents

Of enameled copper wire of thin cross-section and about 50 - 100 turns

Wound on a rectangular aluminium former, which is pivoted on the spindle

Free to rotate in the gap of core and permanent magnet

Developed in the Aluminium former