Silver Mica Capacitor - Types - Clamped Mica Capacitors

Clamped Mica Capacitors

Now obsolete, these were in use in the early 20th century. They consisted of sheets of mica and copper foil sandwiched together and clamped. These had even worse tolerance and stability than other clamped capacitors since the mica surface is not perfectly flat & smooth. References to mica capacitors from the 1920s always refers to this type.

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