requiring reliable capacitors with specific properties. Marconi with transmitting apparatus, Published on LIFE [Public domain], via Wikimedia Commons One such practical use was in Marconi’s ...

A rather hefty 88 µF, 1200 V capacitor, a full bridge rectifier, and 73 meters (240 feet) of coax cable to a spot underneath the aforementioned HV transmission lines. The cable was then put up at ...