Film: 6422

Science | 1940 | Sound | B/W

Synopsis:

Arc lamps 1940's

How they work. Carbon rods. Use in film lighting and projection. Lots of diagrams and close ups. Man sits next to an arc lamp on a table to get a tan, he wears dark glasses. Film projectionist adjusts projector in cinema. Film set with technicians at work. Searchlight beams in sky.


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