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Vessels And Coating Films For Discharge Lamps
(AREA)
Abstract
An improved lampholder, constituted by a cylindrical ceramic shell, which presents on its lateral surface, both internal and external, longitudinal grooves of triangular section, and in its outer base and in the area opposite to the introduction opening of the lamp cap , has a diametral slot for the terminals. At the ends of the slot, there are holes that extend through vertical grooves to the middle of the ceramic envelope. (Machine-translation by Google Translate, not legally binding)