Apparatus for aligning the optical system of a lamphouse and a m
Electronic photographic flash unit
Film projector with high efficiency illumination
Illuminating apparatus for projection purposes
Lamp housing for motion picture film projector
Light source device and projection television
Lighting systems
Luminous source apparatus, image projecting apparatus and...
Luminous source apparatus, image projecting apparatus and...
Motion picture projector apparatus and high intensity projection
Multi format shutterless motion picture inspection projector
Xenon optical system for cinematograph projection