Question

What is the device that uses sprockets along a film's perforated edges to run 50 feet of film in thirty seconds? A. cinematographe B. kaleidoscope C. kinetoscope D. vitaphone

Answer 1

The answer is C. Kinetoscope

A Kinetoscope was a film viewing device in which the film was watched through a peephole. Early versions required you to spin it. One of the features was that it ran 50 feet of film in 30 seconds, So this is the correct answer to your question. :)

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