Generally a gimmick is composed of two insulated wires twisted together which forms a small capacitor. There are some where the insulated wires are side by side (like flat speaker wire) and of some length. Both act like a small capacitor.
Radiodoc
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:Philco 41-280 (yard sale radio), the wire that goes from the top of one side of the variable cap to the other (I think is called a gimmick) is rotted, the wire is soldered to one side of the cap but not the other, should the wire be bare where it touches the side of the cap or should it have insulation on it?
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Tex,