Operation of the Bell and Howell sound projector (1957)

Describes how to set up the projector and speaker, and how to thread and operate the Bell and Howell sound projector. Discusses the importance of regularly cleaning the film path, lubricating the moving parts, and changing the fuse and lamps.

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Видео Operation of the Bell and Howell sound projector (1957) канала A/V Geeks