"focussing cup" in German focussing cup Wehnelt-Elektrode Wehnelt-Zylinder Detailed translations for "focussing cup" focussing cup focussing cup(also: modulating electrode, modulator electrode, Wehnelt electrode, Wehnelt cylinder) die Wehnelt-Elektrode{feminine} focussing cup(also: modulating electrode, modulator electrode, Wehnelt electrode, Wehnelt cylinder) die Wehnelt-Zylinder{feminine}