The projector units are mounted in a cast casing of a complex shape, finished with silver-greenish hammer paint. In the operating position, the projector is installed on the upper side of the sound amplifier casing. The tilt angle of the projector can be adjusted within certain limits thanks to its radius support. The cast stepped casing of the amplifier can be mounted either on a table or on a metal tripod included in the projector set.A multi-lens objective is installed in front of the film gate on a pivoting bracket, allowing the film to be threaded into the film channel. After the screening, the film is rewound onto the upper reel using a detachable handle. The reels can accommodate up to 600 meters of 16 mm wide film. The apparatus provides projection of silent and sound films onto a 3-meter wide screen at a distance of up to 25 meters. In the transport position, the projector is packed in a wooden case with a hinged front lid on which the reels are mounted.

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