Kinder - Antike Geräte Kinder

######################################################################################################################## Rotary Capacitor from the Early Days of Radio Technology Rare Historic Air Rotary Capacitor – A Unique Piece of German Engineering! This exceptional item is one-of-a-kind worldwide and offers collectors and enthusiasts of vintage technology an unparalleled opportunity. Likely used in the early days of radio technology for tuning spark or voice transmissions, this air rotary capacitor is a true piece of history.