Before revision: A compact fluorescent bulb is a household application of a gas-filled tube A gas-filled tube, also known as a discharge tube, is an arrangement of electrodes in a gas within an insulating, temperature-resistant envelope.
After revision: commonlytube or formerly as a PlückerA compact fluorescent bulb is a household application of a gas-filled tube A gas-filled tube, also known as a discharge tube, is an arrangement of electrodes in a gas within an insulating, temperature-resistant envelope.