The loop or coil of copper wire, placed on the armature core, and forming part of the winding.


Related Terms

HOUSKEEPER SEAL

A vacuum-tight seal made between copper and glass by bringing the copper to a flexible feather edge before fusing it to the glass; the copper then flexes as the glass shrinks during cooling.

HELMET

A globe-shaped head covering made of copper and supplied with air pumped through a hose; attached to the breastplate of a diving suit for deep-sea diving.

BABBITT

A soft, white, non-ferrous alloy bearing material composed principally of copper, antimony, tin and lead.

ARMATURE BAR

Copper bars used in place of wire windings, in large armatures, generators, or motors.

ALUMINIUM BRONZE

Alloy of approximately 90% copper and 10% aluminium.

ANTI-FOULING

Paint coating on the bottom of a boat to prevent marine fouling. Traditionally copper sheet was used.

CLENCH

To bend over the internal end of a copper nail after it has been driven through the plank, thus increasing its holding power.

GUNMETAL

Alloy of approximately 88% copper and tin.

MANGANESE BRONZE

Copper and zinc alloy with traces of aluminium and manganese.

SILICON BRONZE

Alloy of approximately 96% copper and 1.5% silicon.

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