An x-ray tube in which the anode can rotate. the axis of rotation is offset from the axis of the electron beam, so that the focus lies on a circle on the rotating surface.
Hot-cathode tube (rt), английский An x-ray tube in which the cathode is electrically heated to provide electrons.
Air-cooled tube (rt), английский An x-ray tube for which the principal method of cooling is the dissipation of heat into the surrounding air.
