Variable capacitor - Alchetron, The Free Social Encyclopedia

Double gang air variable capacitor with reduction gear. Dielectric, often used in radio tuning circuits. Variable capacity of an old tube radio. Close up

Double gang air variable capacitor with reduction gear. Hand turns the rotor of a tube radio capacitor for station tuning.

Making Variable Capacitors By Stretching Aluminium Cans

How to make your own variable tuning capacitor - EDN

D.I.Y. Variable Capacitor

Vacuum variable capacitor - Alchetron, the free social encyclopedia

Motor starting capacitor | Applications | Capacitor Guide