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

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.
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: 60 mm (Width), 78 mm (Length)
Dimension Comment: Dimensions of packaging.

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, Great Britain, 1960-1975

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