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Variable Capacitor - Polar, 1960s Object Reg. No: ST 029137

Summary:
Single gang air dielectric 500 pF variable condenser in original packaging. Made by Polar in England. Used in crystal sets and simple radios, but more likely in test instruments.
Description:
Metal backet with fixed set of plates with a movable set of plates operated by a shaft.
Packaging consists of cardboard sleeve with paper label.
Acquisition Information:
Donation from G.R.A. Electronics Pty Ltd, 1976
Discipline: Technology
Dimensions: 39 mm (Width), 53 mm (Length)

More information

Tagged with: radios, electrical components, electrical condensers
Themes this item is part of: Information & Communication Collection
Primary Classification: COMMUNICATIONS
Secondary Classification: Radio
Tertiary Classification: components
Inscriptions: Capacitor: "POLAR" / "MADE IN" / " ENGLAND" / (in pencil) "500" / "9114"
Packaging: (logo)"GRA" / "With the Compliments" / "of" / "G. R. A. Electronics Pty. Ltd."
Manufacturer: Polar, England, 1960-1975

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