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DK335359A1958-09-231959-09-19
Mechanism for mutually adjusting two carbon rods in carbon arc lamps, for example for cinematographic film projectors.
DK95598C
(en)
Carbon arc lamp with an optical system in gimbal suspension and an electromagnet for stabilizing the arc, in particular for cinematographic projection apparatus.
High performance positive wick charcoal from beck effect arc lamps for projectors and film projection lamps (Machine-translation by Google Translate, not legally binding)
Double objective, adaptable to the primary and suitable for all kinds of cinematographic projections (Machine-translation by Google Translate, not legally binding)