Eureka  “6-100P”







              Dating probably to the mid or late thirties, this single-focus tube is closely similar in size, conception and design to the Machlett “CYR”, the first “protected” air-cooled x-ray tube introduced in 1934.


              The housing is made of heavy radio-opaque material, with lead content. The cone is visibly lead-lined.


              The low-angle tungsten target is embedded in a heavy copper anode, cooled by an external multilayer black-painted copper radiator. The focal spot is of the line-focus (Goetze) type, and its visual projection is about a 3mm square.


              The filament connection is by an Edison screw-cap.


              No other technical specifications are available.

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