Sentence Examples with the word Pole Pieces

Construction of this instrument is as follows: - Within the instrument is a horseshoe magnet having soft-iron pole pieces so arranged as to produce a uniform magnetic field.

Before reaching the paper the light passes through perforations in two iron plates which are, in fact, the pole pieces of a strong electromagnet; between these is an aluminium shutter which is attached to two parallel wires or thin strips.

The pole pieces of the electromagnet (see fig.