Rotary anodes; Arrangements for rotating anodes; Cooling rotary anodes

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Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps (details of electron-optical or ion-optical arrangements H01J3/00) > Main electrodes > Solid anodes; Solid auxiliary anodes for maintaining a discharge > Rotary anodes; Arrangements for rotating anodes; Cooling rotary anodes