Symbol 5326 from IEC 60417 - Title/Meaning: Intermediate focal spot Function/description: To identify controls or indicators associated with the selection of a focal spot or the connections for the corresponding filament.
Additional information: 
Associated with the symbol 5325, this symbol applies to the larger focal spot. Associated with the symbol 5327, this symbol applies to the smaller focal spot
Published in: Supplement G, 1985
Own work using: iso.org/obp/graphics/grs/289d9cd1-38a4-4000-9b4f-e3db2275429a 200.png
Vectorization:  Mrmw