thermionic_tube

tube, tube, pipe, tube, metro, tube, tube, tube, tube

No data.

No data.

electronic_device, entity

x-ray_tube, acorn_tube, klystron, television-camera_tube, gas-discharge_tube, pentode, tetrode, triode, diode, magnetron, electron_multiplier

circuit

electrode, grid, cathode, anode, plate

No data.

anode, cathode

No data.